Home / 9,261.68-12,781.12-5,069.92

Finding the Fourth Proportional to 9,261.68, 12,781.12 and 5,069.92

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Solution

The fourth proportional to 9,261.68, 12,781.12 and 5,069.92 is: 6,996.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,261.68 : 12,781.12 = 5,069.92 : x
  2. Step 2: Convert to fraction form
    9,261.68/12,781.12 = 5,069.92/x
  3. Step 3: Cross multiply
    9,261.68x = 12,781.12 × 5,069.92
  4. Step 4: Simplify right side
    9,261.68x = 64,799,255.91
  5. Step 5: Solve for x
    x = 64,799,255.91/9,261.68
  6. Step 6: Final answer
    x = 6,996.49

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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.