Home / 15,839.46-23,769.78-8,449.02

Finding the Fourth Proportional to 15,839.46, 23,769.78 and 8,449.02

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Solution

The fourth proportional to 15,839.46, 23,769.78 and 8,449.02 is: 12,679.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,839.46 : 23,769.78 = 8,449.02 : x
  2. Step 2: Convert to fraction form
    15,839.46/23,769.78 = 8,449.02/x
  3. Step 3: Cross multiply
    15,839.46x = 23,769.78 × 8,449.02
  4. Step 4: Simplify right side
    15,839.46x = 200,831,346.62
  5. Step 5: Solve for x
    x = 200,831,346.62/15,839.46
  6. Step 6: Final answer
    x = 12,679.18

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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.