Home / 23,178.26-31,986.62-13,108.19

Finding the Fourth Proportional to 23,178.26, 31,986.62 and 13,108.19

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Solution

The fourth proportional to 23,178.26, 31,986.62 and 13,108.19 is: 18,089.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,178.26 : 31,986.62 = 13,108.19 : x
  2. Step 2: Convert to fraction form
    23,178.26/31,986.62 = 13,108.19/x
  3. Step 3: Cross multiply
    23,178.26x = 31,986.62 × 13,108.19
  4. Step 4: Simplify right side
    23,178.26x = 419,286,805.15
  5. Step 5: Solve for x
    x = 419,286,805.15/23,178.26
  6. Step 6: Final answer
    x = 18,089.66

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Half scale
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Double scale
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Similar ratio
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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.