Home / 15,414.85-23,123.30-5,418.39

Finding the Fourth Proportional to 15,414.85, 23,123.30 and 5,418.39

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Solution

The fourth proportional to 15,414.85, 23,123.30 and 5,418.39 is: 8,127.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,414.85 : 23,123.30 = 5,418.39 : x
  2. Step 2: Convert to fraction form
    15,414.85/23,123.30 = 5,418.39/x
  3. Step 3: Cross multiply
    15,414.85x = 23,123.30 × 5,418.39
  4. Step 4: Simplify right side
    15,414.85x = 125,290,943.68
  5. Step 5: Solve for x
    x = 125,290,943.68/15,414.85
  6. Step 6: Final answer
    x = 8,127.94

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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.