Home / 14,472.75-21,711.11-5,110.59

Finding the Fourth Proportional to 14,472.75, 21,711.11 and 5,110.59

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Solution

The fourth proportional to 14,472.75, 21,711.11 and 5,110.59 is: 7,666.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,472.75 : 21,711.11 = 5,110.59 : x
  2. Step 2: Convert to fraction form
    14,472.75/21,711.11 = 5,110.59/x
  3. Step 3: Cross multiply
    14,472.75x = 21,711.11 × 5,110.59
  4. Step 4: Simplify right side
    14,472.75x = 110,956,556.10
  5. Step 5: Solve for x
    x = 110,956,556.10/14,472.75
  6. Step 6: Final answer
    x = 7,666.58

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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.