Home / 10,371.05-15,535.17-5,425.73

Finding the Fourth Proportional to 10,371.05, 15,535.17 and 5,425.73

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Solution

The fourth proportional to 10,371.05, 15,535.17 and 5,425.73 is: 8,127.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.05 : 15,535.17 = 5,425.73 : x
  2. Step 2: Convert to fraction form
    10,371.05/15,535.17 = 5,425.73/x
  3. Step 3: Cross multiply
    10,371.05x = 15,535.17 × 5,425.73
  4. Step 4: Simplify right side
    10,371.05x = 84,289,560.25
  5. Step 5: Solve for x
    x = 84,289,560.25/10,371.05
  6. Step 6: Final answer
    x = 8,127.39

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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.