Home / 11,487.42-15,852.63-6,451.62

Finding the Fourth Proportional to 11,487.42, 15,852.63 and 6,451.62

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Solution

The fourth proportional to 11,487.42, 15,852.63 and 6,451.62 is: 8,903.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487.42 : 15,852.63 = 6,451.62 : x
  2. Step 2: Convert to fraction form
    11,487.42/15,852.63 = 6,451.62/x
  3. Step 3: Cross multiply
    11,487.42x = 15,852.63 × 6,451.62
  4. Step 4: Simplify right side
    11,487.42x = 102,275,144.76
  5. Step 5: Solve for x
    x = 102,275,144.76/11,487.42
  6. Step 6: Final answer
    x = 8,903.23

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Half 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.