Home / 12,011.45-16,574.60-8,237.84

Finding the Fourth Proportional to 12,011.45, 16,574.60 and 8,237.84

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Solution

The fourth proportional to 12,011.45, 16,574.60 and 8,237.84 is: 11,367.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011.45 : 16,574.60 = 8,237.84 : x
  2. Step 2: Convert to fraction form
    12,011.45/16,574.60 = 8,237.84/x
  3. Step 3: Cross multiply
    12,011.45x = 16,574.60 × 8,237.84
  4. Step 4: Simplify right side
    12,011.45x = 136,538,778.80
  5. Step 5: Solve for x
    x = 136,538,778.80/12,011.45
  6. Step 6: Final answer
    x = 11,367.39

Related Problems

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Half scale
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Double scale
Find fourth proportional to 12,012.45, 16,575.97 and 8,238.84
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.