Home / 14,909.22-22,363.81-3,815.91

Finding the Fourth Proportional to 14,909.22, 22,363.81 and 3,815.91

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Solution

The fourth proportional to 14,909.22, 22,363.81 and 3,815.91 is: 5,723.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.22 : 22,363.81 = 3,815.91 : x
  2. Step 2: Convert to fraction form
    14,909.22/22,363.81 = 3,815.91/x
  3. Step 3: Cross multiply
    14,909.22x = 22,363.81 × 3,815.91
  4. Step 4: Simplify right side
    14,909.22x = 85,338,276.68
  5. Step 5: Solve for x
    x = 85,338,276.68/14,909.22
  6. Step 6: Final answer
    x = 5,723.86

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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.