Home / 12,558.65-18,838.08-3,793.91

Finding the Fourth Proportional to 12,558.65, 18,838.08 and 3,793.91

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Solution

The fourth proportional to 12,558.65, 18,838.08 and 3,793.91 is: 5,690.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.65 : 18,838.08 = 3,793.91 : x
  2. Step 2: Convert to fraction form
    12,558.65/18,838.08 = 3,793.91/x
  3. Step 3: Cross multiply
    12,558.65x = 18,838.08 × 3,793.91
  4. Step 4: Simplify right side
    12,558.65x = 71,469,885.90
  5. Step 5: Solve for x
    x = 71,469,885.90/12,558.65
  6. Step 6: Final answer
    x = 5,690.89

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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.