Home / 10,149.88-15,225.90-2,754.04

Finding the Fourth Proportional to 10,149.88, 15,225.90 and 2,754.04

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Solution

The fourth proportional to 10,149.88, 15,225.90 and 2,754.04 is: 4,131.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,149.88 : 15,225.90 = 2,754.04 : x
  2. Step 2: Convert to fraction form
    10,149.88/15,225.90 = 2,754.04/x
  3. Step 3: Cross multiply
    10,149.88x = 15,225.90 × 2,754.04
  4. Step 4: Simplify right side
    10,149.88x = 41,932,737.64
  5. Step 5: Solve for x
    x = 41,932,737.64/10,149.88
  6. Step 6: Final answer
    x = 4,131.35

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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.