Home / 14,909.20-22,364.57-3,815.96

Finding the Fourth Proportional to 14,909.20, 22,364.57 and 3,815.96

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Solution

The fourth proportional to 14,909.20, 22,364.57 and 3,815.96 is: 5,724.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.20 : 22,364.57 = 3,815.96 : x
  2. Step 2: Convert to fraction form
    14,909.20/22,364.57 = 3,815.96/x
  3. Step 3: Cross multiply
    14,909.20x = 22,364.57 × 3,815.96
  4. Step 4: Simplify right side
    14,909.20x = 85,342,202.25
  5. Step 5: Solve for x
    x = 85,342,202.25/14,909.20
  6. Step 6: Final answer
    x = 5,724.13

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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.