Home / 12,517.53-18,781.52-5,493.92

Finding the Fourth Proportional to 12,517.53, 18,781.52 and 5,493.92

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Solution

The fourth proportional to 12,517.53, 18,781.52 and 5,493.92 is: 8,243.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517.53 : 18,781.52 = 5,493.92 : x
  2. Step 2: Convert to fraction form
    12,517.53/18,781.52 = 5,493.92/x
  3. Step 3: Cross multiply
    12,517.53x = 18,781.52 × 5,493.92
  4. Step 4: Simplify right side
    12,517.53x = 103,184,168.36
  5. Step 5: Solve for x
    x = 103,184,168.36/12,517.53
  6. Step 6: Final answer
    x = 8,243.17

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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.