Home / 15,150.19-22,727.18-5,156.61

Finding the Fourth Proportional to 15,150.19, 22,727.18 and 5,156.61

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Solution

The fourth proportional to 15,150.19, 22,727.18 and 5,156.61 is: 7,735.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,150.19 : 22,727.18 = 5,156.61 : x
  2. Step 2: Convert to fraction form
    15,150.19/22,727.18 = 5,156.61/x
  3. Step 3: Cross multiply
    15,150.19x = 22,727.18 × 5,156.61
  4. Step 4: Simplify right side
    15,150.19x = 117,195,259.16
  5. Step 5: Solve for x
    x = 117,195,259.16/15,150.19
  6. Step 6: Final answer
    x = 7,735.56

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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.