Home / 10,233.60-15,344.64-4,387.20

Finding the Fourth Proportional to 10,233.60, 15,344.64 and 4,387.20

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Solution

The fourth proportional to 10,233.60, 15,344.64 and 4,387.20 is: 6,578.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,233.60 : 15,344.64 = 4,387.20 : x
  2. Step 2: Convert to fraction form
    10,233.60/15,344.64 = 4,387.20/x
  3. Step 3: Cross multiply
    10,233.60x = 15,344.64 × 4,387.20
  4. Step 4: Simplify right side
    10,233.60x = 67,320,004.61
  5. Step 5: Solve for x
    x = 67,320,004.61/10,233.60
  6. Step 6: Final answer
    x = 6,578.33

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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.