Home / 10,756.22-16,134.12-3,360.65

Finding the Fourth Proportional to 10,756.22, 16,134.12 and 3,360.65

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Solution

The fourth proportional to 10,756.22, 16,134.12 and 3,360.65 is: 5,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,756.22 : 16,134.12 = 3,360.65 : x
  2. Step 2: Convert to fraction form
    10,756.22/16,134.12 = 3,360.65/x
  3. Step 3: Cross multiply
    10,756.22x = 16,134.12 × 3,360.65
  4. Step 4: Simplify right side
    10,756.22x = 54,221,049.71
  5. Step 5: Solve for x
    x = 54,221,049.71/10,756.22
  6. Step 6: Final answer
    x = 5,040.90

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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.