Home / 18,170.19-25,076.18-11,097.95

Finding the Fourth Proportional to 18,170.19, 25,076.18 and 11,097.95

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Solution

The fourth proportional to 18,170.19, 25,076.18 and 11,097.95 is: 15,315.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170.19 : 25,076.18 = 11,097.95 : x
  2. Step 2: Convert to fraction form
    18,170.19/25,076.18 = 11,097.95/x
  3. Step 3: Cross multiply
    18,170.19x = 25,076.18 × 11,097.95
  4. Step 4: Simplify right side
    18,170.19x = 278,294,094.19
  5. Step 5: Solve for x
    x = 278,294,094.19/18,170.19
  6. Step 6: Final answer
    x = 15,315.97

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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.