Home / 14,379.24-21,572.70-5,147.88

Finding the Fourth Proportional to 14,379.24, 21,572.70 and 5,147.88

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Solution

The fourth proportional to 14,379.24, 21,572.70 and 5,147.88 is: 7,723.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,379.24 : 21,572.70 = 5,147.88 : x
  2. Step 2: Convert to fraction form
    14,379.24/21,572.70 = 5,147.88/x
  3. Step 3: Cross multiply
    14,379.24x = 21,572.70 × 5,147.88
  4. Step 4: Simplify right side
    14,379.24x = 111,053,670.88
  5. Step 5: Solve for x
    x = 111,053,670.88/14,379.24
  6. Step 6: Final answer
    x = 7,723.19

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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.