Home / 21,691.70-32,538.68-6,110.54

Finding the Fourth Proportional to 21,691.70, 32,538.68 and 6,110.54

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Solution

The fourth proportional to 21,691.70, 32,538.68 and 6,110.54 is: 9,166.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,691.70 : 32,538.68 = 6,110.54 : x
  2. Step 2: Convert to fraction form
    21,691.70/32,538.68 = 6,110.54/x
  3. Step 3: Cross multiply
    21,691.70x = 32,538.68 × 6,110.54
  4. Step 4: Simplify right side
    21,691.70x = 198,828,905.69
  5. Step 5: Solve for x
    x = 198,828,905.69/21,691.70
  6. Step 6: Final answer
    x = 9,166.13

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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.