Home / 18,127.50-25,013.79-10,575.42

Finding the Fourth Proportional to 18,127.50, 25,013.79 and 10,575.42

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Solution

The fourth proportional to 18,127.50, 25,013.79 and 10,575.42 is: 14,592.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127.50 : 25,013.79 = 10,575.42 : x
  2. Step 2: Convert to fraction form
    18,127.50/25,013.79 = 10,575.42/x
  3. Step 3: Cross multiply
    18,127.50x = 25,013.79 × 10,575.42
  4. Step 4: Simplify right side
    18,127.50x = 264,531,335.04
  5. Step 5: Solve for x
    x = 264,531,335.04/18,127.50
  6. Step 6: Final answer
    x = 14,592.82

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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.