Home / 18,839.61-28,264.88-5,693.92

Finding the Fourth Proportional to 18,839.61, 28,264.88 and 5,693.92

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Solution

The fourth proportional to 18,839.61, 28,264.88 and 5,693.92 is: 8,542.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,839.61 : 28,264.88 = 5,693.92 : x
  2. Step 2: Convert to fraction form
    18,839.61/28,264.88 = 5,693.92/x
  3. Step 3: Cross multiply
    18,839.61x = 28,264.88 × 5,693.92
  4. Step 4: Simplify right side
    18,839.61x = 160,937,909.10
  5. Step 5: Solve for x
    x = 160,937,909.10/18,839.61
  6. Step 6: Final answer
    x = 8,542.53

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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.