Home / 15,371.28-23,027.76-9,118.08

Finding the Fourth Proportional to 15,371.28, 23,027.76 and 9,118.08

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Solution

The fourth proportional to 15,371.28, 23,027.76 and 9,118.08 is: 13,659.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,371.28 : 23,027.76 = 9,118.08 : x
  2. Step 2: Convert to fraction form
    15,371.28/23,027.76 = 9,118.08/x
  3. Step 3: Cross multiply
    15,371.28x = 23,027.76 × 9,118.08
  4. Step 4: Simplify right side
    15,371.28x = 209,968,957.90
  5. Step 5: Solve for x
    x = 209,968,957.90/15,371.28
  6. Step 6: Final answer
    x = 13,659.82

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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.