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Finding the Fourth Proportional to 22,451.67, 33,677.55 and 6,869.25

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Solution

The fourth proportional to 22,451.67, 33,677.55 and 6,869.25 is: 10,303.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,451.67 : 33,677.55 = 6,869.25 : x
  2. Step 2: Convert to fraction form
    22,451.67/33,677.55 = 6,869.25/x
  3. Step 3: Cross multiply
    22,451.67x = 33,677.55 × 6,869.25
  4. Step 4: Simplify right side
    22,451.67x = 231,339,510.34
  5. Step 5: Solve for x
    x = 231,339,510.34/22,451.67
  6. Step 6: Final answer
    x = 10,303.89

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1.5x scale

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.