Home / 15,487.38-23,231.07-5,099.94

Finding the Fourth Proportional to 15,487.38, 23,231.07 and 5,099.94

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Solution

The fourth proportional to 15,487.38, 23,231.07 and 5,099.94 is: 7,649.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,487.38 : 23,231.07 = 5,099.94 : x
  2. Step 2: Convert to fraction form
    15,487.38/23,231.07 = 5,099.94/x
  3. Step 3: Cross multiply
    15,487.38x = 23,231.07 × 5,099.94
  4. Step 4: Simplify right side
    15,487.38x = 118,476,921.48
  5. Step 5: Solve for x
    x = 118,476,921.48/15,487.38
  6. Step 6: Final answer
    x = 7,649.90

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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.