Home / 10,554.38-15,819.19-5,872.17

Finding the Fourth Proportional to 10,554.38, 15,819.19 and 5,872.17

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Solution

The fourth proportional to 10,554.38, 15,819.19 and 5,872.17 is: 8,801.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,554.38 : 15,819.19 = 5,872.17 : x
  2. Step 2: Convert to fraction form
    10,554.38/15,819.19 = 5,872.17/x
  3. Step 3: Cross multiply
    10,554.38x = 15,819.19 × 5,872.17
  4. Step 4: Simplify right side
    10,554.38x = 92,892,972.94
  5. Step 5: Solve for x
    x = 92,892,972.94/10,554.38
  6. Step 6: Final answer
    x = 8,801.37

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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.