Home / 16,517.60-24,778.97-5,421.75

Finding the Fourth Proportional to 16,517.60, 24,778.97 and 5,421.75

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Solution

The fourth proportional to 16,517.60, 24,778.97 and 5,421.75 is: 8,133.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,517.60 : 24,778.97 = 5,421.75 : x
  2. Step 2: Convert to fraction form
    16,517.60/24,778.97 = 5,421.75/x
  3. Step 3: Cross multiply
    16,517.60x = 24,778.97 × 5,421.75
  4. Step 4: Simplify right side
    16,517.60x = 134,345,353.49
  5. Step 5: Solve for x
    x = 134,345,353.49/16,517.60
  6. Step 6: Final answer
    x = 8,133.47

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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.