Home / 10,600.54-15,900-3,581.14

Finding the Fourth Proportional to 10,600.54, 15,900 and 3,581.14

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Solution

The fourth proportional to 10,600.54, 15,900 and 3,581.14 is: 5,371.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,600.54 : 15,900 = 3,581.14 : x
  2. Step 2: Convert to fraction form
    10,600.54/15,900 = 3,581.14/x
  3. Step 3: Cross multiply
    10,600.54x = 15,900 × 3,581.14
  4. Step 4: Simplify right side
    10,600.54x = 56,940,126
  5. Step 5: Solve for x
    x = 56,940,126/10,600.54
  6. Step 6: Final answer
    x = 5,371.44

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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.