Home / 11,008.92-15,177.12-10,664.28

Finding the Fourth Proportional to 11,008.92, 15,177.12 and 10,664.28

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Solution

The fourth proportional to 11,008.92, 15,177.12 and 10,664.28 is: 14,701.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008.92 : 15,177.12 = 10,664.28 : x
  2. Step 2: Convert to fraction form
    11,008.92/15,177.12 = 10,664.28/x
  3. Step 3: Cross multiply
    11,008.92x = 15,177.12 × 10,664.28
  4. Step 4: Simplify right side
    11,008.92x = 161,853,057.27
  5. Step 5: Solve for x
    x = 161,853,057.27/11,008.92
  6. Step 6: Final answer
    x = 14,701.99

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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.