Home / 10,722.13-16,089.50-4,481.65

Finding the Fourth Proportional to 10,722.13, 16,089.50 and 4,481.65

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Solution

The fourth proportional to 10,722.13, 16,089.50 and 4,481.65 is: 6,725.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,722.13 : 16,089.50 = 4,481.65 : x
  2. Step 2: Convert to fraction form
    10,722.13/16,089.50 = 4,481.65/x
  3. Step 3: Cross multiply
    10,722.13x = 16,089.50 × 4,481.65
  4. Step 4: Simplify right side
    10,722.13x = 72,107,538.99
  5. Step 5: Solve for x
    x = 72,107,538.99/10,722.13
  6. Step 6: Final answer
    x = 6,725.11

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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.