Home / 21,884.92-32,774.76-12,496.49

Finding the Fourth Proportional to 21,884.92, 32,774.76 and 12,496.49

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Solution

The fourth proportional to 21,884.92, 32,774.76 and 12,496.49 is: 18,714.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,884.92 : 32,774.76 = 12,496.49 : x
  2. Step 2: Convert to fraction form
    21,884.92/32,774.76 = 12,496.49/x
  3. Step 3: Cross multiply
    21,884.92x = 32,774.76 × 12,496.49
  4. Step 4: Simplify right side
    21,884.92x = 409,569,589.39
  5. Step 5: Solve for x
    x = 409,569,589.39/21,884.92
  6. Step 6: Final answer
    x = 18,714.69

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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.