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Finding the Fourth Proportional to 18,034.13, 24,887.04 and 10,868.16

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Solution

The fourth proportional to 18,034.13, 24,887.04 and 10,868.16 is: 14,998.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,034.13 : 24,887.04 = 10,868.16 : x
  2. Step 2: Convert to fraction form
    18,034.13/24,887.04 = 10,868.16/x
  3. Step 3: Cross multiply
    18,034.13x = 24,887.04 × 10,868.16
  4. Step 4: Simplify right side
    18,034.13x = 270,476,332.65
  5. Step 5: Solve for x
    x = 270,476,332.65/18,034.13
  6. Step 6: Final answer
    x = 14,998.03

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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.