Home / 20,628.17-30,948.92-9,542.13

Finding the Fourth Proportional to 20,628.17, 30,948.92 and 9,542.13

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Solution

The fourth proportional to 20,628.17, 30,948.92 and 9,542.13 is: 14,316.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,628.17 : 30,948.92 = 9,542.13 : x
  2. Step 2: Convert to fraction form
    20,628.17/30,948.92 = 9,542.13/x
  3. Step 3: Cross multiply
    20,628.17x = 30,948.92 × 9,542.13
  4. Step 4: Simplify right side
    20,628.17x = 295,318,618.00
  5. Step 5: Solve for x
    x = 295,318,618.00/20,628.17
  6. Step 6: Final answer
    x = 14,316.28

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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.