Home / 12,011.12-16,573.36-6,705.76

Finding the Fourth Proportional to 12,011.12, 16,573.36 and 6,705.76

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Solution

The fourth proportional to 12,011.12, 16,573.36 and 6,705.76 is: 9,252.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011.12 : 16,573.36 = 6,705.76 : x
  2. Step 2: Convert to fraction form
    12,011.12/16,573.36 = 6,705.76/x
  3. Step 3: Cross multiply
    12,011.12x = 16,573.36 × 6,705.76
  4. Step 4: Simplify right side
    12,011.12x = 111,136,974.55
  5. Step 5: Solve for x
    x = 111,136,974.55/12,011.12
  6. Step 6: Final answer
    x = 9,252.84

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Half scale
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Double scale
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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.