Home / 17,920.96-24,731.76-9,965.68

Finding the Fourth Proportional to 17,920.96, 24,731.76 and 9,965.68

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Solution

The fourth proportional to 17,920.96, 24,731.76 and 9,965.68 is: 13,753.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,920.96 : 24,731.76 = 9,965.68 : x
  2. Step 2: Convert to fraction form
    17,920.96/24,731.76 = 9,965.68/x
  3. Step 3: Cross multiply
    17,920.96x = 24,731.76 × 9,965.68
  4. Step 4: Simplify right side
    17,920.96x = 246,468,806.00
  5. Step 5: Solve for x
    x = 246,468,806.00/17,920.96
  6. Step 6: Final answer
    x = 13,753.10

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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.