Home / 10,542.16-15,822.92-5,351.76

Finding the Fourth Proportional to 10,542.16, 15,822.92 and 5,351.76

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Solution

The fourth proportional to 10,542.16, 15,822.92 and 5,351.76 is: 8,032.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,542.16 : 15,822.92 = 5,351.76 : x
  2. Step 2: Convert to fraction form
    10,542.16/15,822.92 = 5,351.76/x
  3. Step 3: Cross multiply
    10,542.16x = 15,822.92 × 5,351.76
  4. Step 4: Simplify right side
    10,542.16x = 84,680,470.34
  5. Step 5: Solve for x
    x = 84,680,470.34/10,542.16
  6. Step 6: Final answer
    x = 8,032.55

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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.