Home / 21,572.70-32,363.67-12,217.14

Finding the Fourth Proportional to 21,572.70, 32,363.67 and 12,217.14

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Solution

The fourth proportional to 21,572.70, 32,363.67 and 12,217.14 is: 18,328.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,572.70 : 32,363.67 = 12,217.14 : x
  2. Step 2: Convert to fraction form
    21,572.70/32,363.67 = 12,217.14/x
  3. Step 3: Cross multiply
    21,572.70x = 32,363.67 × 12,217.14
  4. Step 4: Simplify right side
    21,572.70x = 395,391,487.30
  5. Step 5: Solve for x
    x = 395,391,487.30/21,572.70
  6. Step 6: Final answer
    x = 18,328.33

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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.