Home / 16,515.20-24,781.62-7,750.19

Finding the Fourth Proportional to 16,515.20, 24,781.62 and 7,750.19

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Solution

The fourth proportional to 16,515.20, 24,781.62 and 7,750.19 is: 11,629.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,515.20 : 24,781.62 = 7,750.19 : x
  2. Step 2: Convert to fraction form
    16,515.20/24,781.62 = 7,750.19/x
  3. Step 3: Cross multiply
    16,515.20x = 24,781.62 × 7,750.19
  4. Step 4: Simplify right side
    16,515.20x = 192,062,354.53
  5. Step 5: Solve for x
    x = 192,062,354.53/16,515.20
  6. Step 6: Final answer
    x = 11,629.43

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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.