Home / 10,280.24-15,418.96-3,705.52

Finding the Fourth Proportional to 10,280.24, 15,418.96 and 3,705.52

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Solution

The fourth proportional to 10,280.24, 15,418.96 and 3,705.52 is: 5,557.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280.24 : 15,418.96 = 3,705.52 : x
  2. Step 2: Convert to fraction form
    10,280.24/15,418.96 = 3,705.52/x
  3. Step 3: Cross multiply
    10,280.24x = 15,418.96 × 3,705.52
  4. Step 4: Simplify right side
    10,280.24x = 57,135,264.66
  5. Step 5: Solve for x
    x = 57,135,264.66/10,280.24
  6. Step 6: Final answer
    x = 5,557.78

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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.