Home / 18,260.33-27,390.31-5,780.36

Finding the Fourth Proportional to 18,260.33, 27,390.31 and 5,780.36

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Solution

The fourth proportional to 18,260.33, 27,390.31 and 5,780.36 is: 8,670.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260.33 : 27,390.31 = 5,780.36 : x
  2. Step 2: Convert to fraction form
    18,260.33/27,390.31 = 5,780.36/x
  3. Step 3: Cross multiply
    18,260.33x = 27,390.31 × 5,780.36
  4. Step 4: Simplify right side
    18,260.33x = 158,325,906.34
  5. Step 5: Solve for x
    x = 158,325,906.34/18,260.33
  6. Step 6: Final answer
    x = 8,670.49

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.