Home / 15,943.10-23,909.78-4,254.80

Finding the Fourth Proportional to 15,943.10, 23,909.78 and 4,254.80

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Solution

The fourth proportional to 15,943.10, 23,909.78 and 4,254.80 is: 6,380.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,943.10 : 23,909.78 = 4,254.80 : x
  2. Step 2: Convert to fraction form
    15,943.10/23,909.78 = 4,254.80/x
  3. Step 3: Cross multiply
    15,943.10x = 23,909.78 × 4,254.80
  4. Step 4: Simplify right side
    15,943.10x = 101,731,223.03
  5. Step 5: Solve for x
    x = 101,731,223.03/15,943.10
  6. Step 6: Final answer
    x = 6,380.90

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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.