Home / 10,644.87-15,960.35-5,098.04

Finding the Fourth Proportional to 10,644.87, 15,960.35 and 5,098.04

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Solution

The fourth proportional to 10,644.87, 15,960.35 and 5,098.04 is: 7,643.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644.87 : 15,960.35 = 5,098.04 : x
  2. Step 2: Convert to fraction form
    10,644.87/15,960.35 = 5,098.04/x
  3. Step 3: Cross multiply
    10,644.87x = 15,960.35 × 5,098.04
  4. Step 4: Simplify right side
    10,644.87x = 81,366,435.66
  5. Step 5: Solve for x
    x = 81,366,435.66/10,644.87
  6. Step 6: Final answer
    x = 7,643.72

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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.