Home / 15,299.86-22,928.24-12,165.95

Finding the Fourth Proportional to 15,299.86, 22,928.24 and 12,165.95

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Solution

The fourth proportional to 15,299.86, 22,928.24 and 12,165.95 is: 18,231.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,299.86 : 22,928.24 = 12,165.95 : x
  2. Step 2: Convert to fraction form
    15,299.86/22,928.24 = 12,165.95/x
  3. Step 3: Cross multiply
    15,299.86x = 22,928.24 × 12,165.95
  4. Step 4: Simplify right side
    15,299.86x = 278,943,817.92
  5. Step 5: Solve for x
    x = 278,943,817.92/15,299.86
  6. Step 6: Final answer
    x = 18,231.79

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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.