Home / 10,252.52-15,352.16-8,781.22

Finding the Fourth Proportional to 10,252.52, 15,352.16 and 8,781.22

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Solution

The fourth proportional to 10,252.52, 15,352.16 and 8,781.22 is: 13,149.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,252.52 : 15,352.16 = 8,781.22 : x
  2. Step 2: Convert to fraction form
    10,252.52/15,352.16 = 8,781.22/x
  3. Step 3: Cross multiply
    10,252.52x = 15,352.16 × 8,781.22
  4. Step 4: Simplify right side
    10,252.52x = 134,810,632.76
  5. Step 5: Solve for x
    x = 134,810,632.76/10,252.52
  6. Step 6: Final answer
    x = 13,149.02

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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.