Home / 10,348.97-15,523.14-2,557.78

Finding the Fourth Proportional to 10,348.97, 15,523.14 and 2,557.78

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Solution

The fourth proportional to 10,348.97, 15,523.14 and 2,557.78 is: 3,836.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348.97 : 15,523.14 = 2,557.78 : x
  2. Step 2: Convert to fraction form
    10,348.97/15,523.14 = 2,557.78/x
  3. Step 3: Cross multiply
    10,348.97x = 15,523.14 × 2,557.78
  4. Step 4: Simplify right side
    10,348.97x = 39,704,747.81
  5. Step 5: Solve for x
    x = 39,704,747.81/10,348.97
  6. Step 6: Final answer
    x = 3,836.59

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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.