Home / 22,909.60-34,364.40-8,118.40

Finding the Fourth Proportional to 22,909.60, 34,364.40 and 8,118.40

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Solution

The fourth proportional to 22,909.60, 34,364.40 and 8,118.40 is: 12,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,909.60 : 34,364.40 = 8,118.40 : x
  2. Step 2: Convert to fraction form
    22,909.60/34,364.40 = 8,118.40/x
  3. Step 3: Cross multiply
    22,909.60x = 34,364.40 × 8,118.40
  4. Step 4: Simplify right side
    22,909.60x = 278,983,944.96
  5. Step 5: Solve for x
    x = 278,983,944.96/22,909.60
  6. Step 6: Final answer
    x = 12,177.60

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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.