Home / 17,745.60-26,618.40-8,382.54

Finding the Fourth Proportional to 17,745.60, 26,618.40 and 8,382.54

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Solution

The fourth proportional to 17,745.60, 26,618.40 and 8,382.54 is: 12,573.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,745.60 : 26,618.40 = 8,382.54 : x
  2. Step 2: Convert to fraction form
    17,745.60/26,618.40 = 8,382.54/x
  3. Step 3: Cross multiply
    17,745.60x = 26,618.40 × 8,382.54
  4. Step 4: Simplify right side
    17,745.60x = 223,129,802.74
  5. Step 5: Solve for x
    x = 223,129,802.74/17,745.60
  6. Step 6: Final answer
    x = 12,573.81

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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.