Home / 15,213.57-22,786.98-12,551.13

Finding the Fourth Proportional to 15,213.57, 22,786.98 and 12,551.13

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Solution

The fourth proportional to 15,213.57, 22,786.98 and 12,551.13 is: 18,799.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,213.57 : 22,786.98 = 12,551.13 : x
  2. Step 2: Convert to fraction form
    15,213.57/22,786.98 = 12,551.13/x
  3. Step 3: Cross multiply
    15,213.57x = 22,786.98 × 12,551.13
  4. Step 4: Simplify right side
    15,213.57x = 286,002,348.29
  5. Step 5: Solve for x
    x = 286,002,348.29/15,213.57
  6. Step 6: Final answer
    x = 18,799.16

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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.