Home / 15,002.55-22,503.83-3,909.21

Finding the Fourth Proportional to 15,002.55, 22,503.83 and 3,909.21

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Solution

The fourth proportional to 15,002.55, 22,503.83 and 3,909.21 is: 5,863.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,002.55 : 22,503.83 = 3,909.21 : x
  2. Step 2: Convert to fraction form
    15,002.55/22,503.83 = 3,909.21/x
  3. Step 3: Cross multiply
    15,002.55x = 22,503.83 × 3,909.21
  4. Step 4: Simplify right side
    15,002.55x = 87,972,197.27
  5. Step 5: Solve for x
    x = 87,972,197.27/15,002.55
  6. Step 6: Final answer
    x = 5,863.82

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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.