Home / 18,454.19-27,681.90-5,974.31

Finding the Fourth Proportional to 18,454.19, 27,681.90 and 5,974.31

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Solution

The fourth proportional to 18,454.19, 27,681.90 and 5,974.31 is: 8,961.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,454.19 : 27,681.90 = 5,974.31 : x
  2. Step 2: Convert to fraction form
    18,454.19/27,681.90 = 5,974.31/x
  3. Step 3: Cross multiply
    18,454.19x = 27,681.90 × 5,974.31
  4. Step 4: Simplify right side
    18,454.19x = 165,380,298.79
  5. Step 5: Solve for x
    x = 165,380,298.79/18,454.19
  6. Step 6: Final answer
    x = 8,961.67

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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.