Home / 15,154.29-22,716.86-4,758.75

Finding the Fourth Proportional to 15,154.29, 22,716.86 and 4,758.75

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Solution

The fourth proportional to 15,154.29, 22,716.86 and 4,758.75 is: 7,133.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,154.29 : 22,716.86 = 4,758.75 : x
  2. Step 2: Convert to fraction form
    15,154.29/22,716.86 = 4,758.75/x
  3. Step 3: Cross multiply
    15,154.29x = 22,716.86 × 4,758.75
  4. Step 4: Simplify right side
    15,154.29x = 108,103,833.73
  5. Step 5: Solve for x
    x = 108,103,833.73/15,154.29
  6. Step 6: Final answer
    x = 7,133.55

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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.