Home / 10,120.88-15,179.60-2,723.69

Finding the Fourth Proportional to 10,120.88, 15,179.60 and 2,723.69

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Solution

The fourth proportional to 10,120.88, 15,179.60 and 2,723.69 is: 4,085.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120.88 : 15,179.60 = 2,723.69 : x
  2. Step 2: Convert to fraction form
    10,120.88/15,179.60 = 2,723.69/x
  3. Step 3: Cross multiply
    10,120.88x = 15,179.60 × 2,723.69
  4. Step 4: Simplify right side
    10,120.88x = 41,344,569.48
  5. Step 5: Solve for x
    x = 41,344,569.48/10,120.88
  6. Step 6: Final answer
    x = 4,085.08

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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.