Home / 12,427.26-18,640.91-5,026.65

Finding the Fourth Proportional to 12,427.26, 18,640.91 and 5,026.65

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Solution

The fourth proportional to 12,427.26, 18,640.91 and 5,026.65 is: 7,539.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427.26 : 18,640.91 = 5,026.65 : x
  2. Step 2: Convert to fraction form
    12,427.26/18,640.91 = 5,026.65/x
  3. Step 3: Cross multiply
    12,427.26x = 18,640.91 × 5,026.65
  4. Step 4: Simplify right side
    12,427.26x = 93,701,330.25
  5. Step 5: Solve for x
    x = 93,701,330.25/12,427.26
  6. Step 6: Final answer
    x = 7,539.98

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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.