Home / 10,099.68-15,143.50-4,171.96

Finding the Fourth Proportional to 10,099.68, 15,143.50 and 4,171.96

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Solution

The fourth proportional to 10,099.68, 15,143.50 and 4,171.96 is: 6,255.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,099.68 : 15,143.50 = 4,171.96 : x
  2. Step 2: Convert to fraction form
    10,099.68/15,143.50 = 4,171.96/x
  3. Step 3: Cross multiply
    10,099.68x = 15,143.50 × 4,171.96
  4. Step 4: Simplify right side
    10,099.68x = 63,178,076.26
  5. Step 5: Solve for x
    x = 63,178,076.26/10,099.68
  6. Step 6: Final answer
    x = 6,255.45

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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.