Home / 21,624.88-29,841.87-12,193.78

Finding the Fourth Proportional to 21,624.88, 29,841.87 and 12,193.78

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Solution

The fourth proportional to 21,624.88, 29,841.87 and 12,193.78 is: 16,827.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,624.88 : 29,841.87 = 12,193.78 : x
  2. Step 2: Convert to fraction form
    21,624.88/29,841.87 = 12,193.78/x
  3. Step 3: Cross multiply
    21,624.88x = 29,841.87 × 12,193.78
  4. Step 4: Simplify right side
    21,624.88x = 363,885,197.57
  5. Step 5: Solve for x
    x = 363,885,197.57/21,624.88
  6. Step 6: Final answer
    x = 16,827.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.