Home / 14,144.90-19,517.80-8,175.42

Finding the Fourth Proportional to 14,144.90, 19,517.80 and 8,175.42

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Solution

The fourth proportional to 14,144.90, 19,517.80 and 8,175.42 is: 11,280.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,144.90 : 19,517.80 = 8,175.42 : x
  2. Step 2: Convert to fraction form
    14,144.90/19,517.80 = 8,175.42/x
  3. Step 3: Cross multiply
    14,144.90x = 19,517.80 × 8,175.42
  4. Step 4: Simplify right side
    14,144.90x = 159,566,192.04
  5. Step 5: Solve for x
    x = 159,566,192.04/14,144.90
  6. Step 6: Final answer
    x = 11,280.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.