Home / 15,546.20-23,319.09-3,859.31

Finding the Fourth Proportional to 15,546.20, 23,319.09 and 3,859.31

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Solution

The fourth proportional to 15,546.20, 23,319.09 and 3,859.31 is: 5,788.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,546.20 : 23,319.09 = 3,859.31 : x
  2. Step 2: Convert to fraction form
    15,546.20/23,319.09 = 3,859.31/x
  3. Step 3: Cross multiply
    15,546.20x = 23,319.09 × 3,859.31
  4. Step 4: Simplify right side
    15,546.20x = 89,995,655.53
  5. Step 5: Solve for x
    x = 89,995,655.53/15,546.20
  6. Step 6: Final answer
    x = 5,788.92

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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.