Home / 21,598.62-29,806.10-12,167.18

Finding the Fourth Proportional to 21,598.62, 29,806.10 and 12,167.18

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Solution

The fourth proportional to 21,598.62, 29,806.10 and 12,167.18 is: 16,790.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,598.62 : 29,806.10 = 12,167.18 : x
  2. Step 2: Convert to fraction form
    21,598.62/29,806.10 = 12,167.18/x
  3. Step 3: Cross multiply
    21,598.62x = 29,806.10 × 12,167.18
  4. Step 4: Simplify right side
    21,598.62x = 362,656,183.80
  5. Step 5: Solve for x
    x = 362,656,183.80/21,598.62
  6. Step 6: Final answer
    x = 16,790.71

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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.