Home / 15,719.62-23,549.46-8,099.14

Finding the Fourth Proportional to 15,719.62, 23,549.46 and 8,099.14

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Solution

The fourth proportional to 15,719.62, 23,549.46 and 8,099.14 is: 12,133.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,719.62 : 23,549.46 = 8,099.14 : x
  2. Step 2: Convert to fraction form
    15,719.62/23,549.46 = 8,099.14/x
  3. Step 3: Cross multiply
    15,719.62x = 23,549.46 × 8,099.14
  4. Step 4: Simplify right side
    15,719.62x = 190,730,373.46
  5. Step 5: Solve for x
    x = 190,730,373.46/15,719.62
  6. Step 6: Final answer
    x = 12,133.27

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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.