Home / 23,314.30-34,981.79-12,218.35

Finding the Fourth Proportional to 23,314.30, 34,981.79 and 12,218.35

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Solution

The fourth proportional to 23,314.30, 34,981.79 and 12,218.35 is: 18,332.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,314.30 : 34,981.79 = 12,218.35 : x
  2. Step 2: Convert to fraction form
    23,314.30/34,981.79 = 12,218.35/x
  3. Step 3: Cross multiply
    23,314.30x = 34,981.79 × 12,218.35
  4. Step 4: Simplify right side
    23,314.30x = 427,419,753.85
  5. Step 5: Solve for x
    x = 427,419,753.85/23,314.30
  6. Step 6: Final answer
    x = 18,332.94

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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.