Home / 18,136.72-27,179.52-14,422.48

Finding the Fourth Proportional to 18,136.72, 27,179.52 and 14,422.48

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Solution

The fourth proportional to 18,136.72, 27,179.52 and 14,422.48 is: 21,613.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,136.72 : 27,179.52 = 14,422.48 : x
  2. Step 2: Convert to fraction form
    18,136.72/27,179.52 = 14,422.48/x
  3. Step 3: Cross multiply
    18,136.72x = 27,179.52 × 14,422.48
  4. Step 4: Simplify right side
    18,136.72x = 391,996,083.61
  5. Step 5: Solve for x
    x = 391,996,083.61/18,136.72
  6. Step 6: Final answer
    x = 21,613.39

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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.