Home / 18,206.13-27,312.23-8,862.78

Finding the Fourth Proportional to 18,206.13, 27,312.23 and 8,862.78

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Solution

The fourth proportional to 18,206.13, 27,312.23 and 8,862.78 is: 13,295.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,206.13 : 27,312.23 = 8,862.78 : x
  2. Step 2: Convert to fraction form
    18,206.13/27,312.23 = 8,862.78/x
  3. Step 3: Cross multiply
    18,206.13x = 27,312.23 × 8,862.78
  4. Step 4: Simplify right side
    18,206.13x = 242,062,285.80
  5. Step 5: Solve for x
    x = 242,062,285.80/18,206.13
  6. Step 6: Final answer
    x = 13,295.65

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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.