Home / 18,885.18-26,049.66-11,326.38

Finding the Fourth Proportional to 18,885.18, 26,049.66 and 11,326.38

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Solution

The fourth proportional to 18,885.18, 26,049.66 and 11,326.38 is: 15,623.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,885.18 : 26,049.66 = 11,326.38 : x
  2. Step 2: Convert to fraction form
    18,885.18/26,049.66 = 11,326.38/x
  3. Step 3: Cross multiply
    18,885.18x = 26,049.66 × 11,326.38
  4. Step 4: Simplify right side
    18,885.18x = 295,048,348.03
  5. Step 5: Solve for x
    x = 295,048,348.03/18,885.18
  6. Step 6: Final answer
    x = 15,623.27

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Half scale
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Double scale
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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.