Home / 10,635.52-16,032.96-9,921.92

Finding the Fourth Proportional to 10,635.52, 16,032.96 and 9,921.92

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Solution

The fourth proportional to 10,635.52, 16,032.96 and 9,921.92 is: 14,957.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,635.52 : 16,032.96 = 9,921.92 : x
  2. Step 2: Convert to fraction form
    10,635.52/16,032.96 = 9,921.92/x
  3. Step 3: Cross multiply
    10,635.52x = 16,032.96 × 9,921.92
  4. Step 4: Simplify right side
    10,635.52x = 159,077,746.48
  5. Step 5: Solve for x
    x = 159,077,746.48/10,635.52
  6. Step 6: Final answer
    x = 14,957.21

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.