Home / 10,117.71-15,167.45-3,540.92

Finding the Fourth Proportional to 10,117.71, 15,167.45 and 3,540.92

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Solution

The fourth proportional to 10,117.71, 15,167.45 and 3,540.92 is: 5,308.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,117.71 : 15,167.45 = 3,540.92 : x
  2. Step 2: Convert to fraction form
    10,117.71/15,167.45 = 3,540.92/x
  3. Step 3: Cross multiply
    10,117.71x = 15,167.45 × 3,540.92
  4. Step 4: Simplify right side
    10,117.71x = 53,706,660.07
  5. Step 5: Solve for x
    x = 53,706,660.07/10,117.71
  6. Step 6: Final answer
    x = 5,308.18

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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.