Home / 18,109.38-27,040.18-16,223.10

Finding the Fourth Proportional to 18,109.38, 27,040.18 and 16,223.10

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Solution

The fourth proportional to 18,109.38, 27,040.18 and 16,223.10 is: 24,223.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,109.38 : 27,040.18 = 16,223.10 : x
  2. Step 2: Convert to fraction form
    18,109.38/27,040.18 = 16,223.10/x
  3. Step 3: Cross multiply
    18,109.38x = 27,040.18 × 16,223.10
  4. Step 4: Simplify right side
    18,109.38x = 438,675,544.16
  5. Step 5: Solve for x
    x = 438,675,544.16/18,109.38
  6. Step 6: Final answer
    x = 24,223.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.