Home / 10,098.28-15,145.80-3,174.40

Finding the Fourth Proportional to 10,098.28, 15,145.80 and 3,174.40

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Solution

The fourth proportional to 10,098.28, 15,145.80 and 3,174.40 is: 4,761.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,098.28 : 15,145.80 = 3,174.40 : x
  2. Step 2: Convert to fraction form
    10,098.28/15,145.80 = 3,174.40/x
  3. Step 3: Cross multiply
    10,098.28x = 15,145.80 × 3,174.40
  4. Step 4: Simplify right side
    10,098.28x = 48,078,827.52
  5. Step 5: Solve for x
    x = 48,078,827.52/10,098.28
  6. Step 6: Final answer
    x = 4,761.09

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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.