Home / 18,123.52-25,005.33-11,750.38

Finding the Fourth Proportional to 18,123.52, 25,005.33 and 11,750.38

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Solution

The fourth proportional to 18,123.52, 25,005.33 and 11,750.38 is: 16,212.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,123.52 : 25,005.33 = 11,750.38 : x
  2. Step 2: Convert to fraction form
    18,123.52/25,005.33 = 11,750.38/x
  3. Step 3: Cross multiply
    18,123.52x = 25,005.33 × 11,750.38
  4. Step 4: Simplify right side
    18,123.52x = 293,822,129.53
  5. Step 5: Solve for x
    x = 293,822,129.53/18,123.52
  6. Step 6: Final answer
    x = 16,212.20

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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.