Home / 20,293.92-30,433.12-9,757.28

Finding the Fourth Proportional to 20,293.92, 30,433.12 and 9,757.28

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Solution

The fourth proportional to 20,293.92, 30,433.12 and 9,757.28 is: 14,632.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,293.92 : 30,433.12 = 9,757.28 : x
  2. Step 2: Convert to fraction form
    20,293.92/30,433.12 = 9,757.28/x
  3. Step 3: Cross multiply
    20,293.92x = 30,433.12 × 9,757.28
  4. Step 4: Simplify right side
    20,293.92x = 296,944,473.11
  5. Step 5: Solve for x
    x = 296,944,473.11/20,293.92
  6. Step 6: Final answer
    x = 14,632.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.