Home / 10,499.90-15,744.38-4,951.75

Finding the Fourth Proportional to 10,499.90, 15,744.38 and 4,951.75

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Solution

The fourth proportional to 10,499.90, 15,744.38 and 4,951.75 is: 7,425.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,499.90 : 15,744.38 = 4,951.75 : x
  2. Step 2: Convert to fraction form
    10,499.90/15,744.38 = 4,951.75/x
  3. Step 3: Cross multiply
    10,499.90x = 15,744.38 × 4,951.75
  4. Step 4: Simplify right side
    10,499.90x = 77,962,247.94
  5. Step 5: Solve for x
    x = 77,962,247.94/10,499.90
  6. Step 6: Final answer
    x = 7,425.05

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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.