Home / 11,098.60-15,305.70-8,272.96

Finding the Fourth Proportional to 11,098.60, 15,305.70 and 8,272.96

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Solution

The fourth proportional to 11,098.60, 15,305.70 and 8,272.96 is: 11,408.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,098.60 : 15,305.70 = 8,272.96 : x
  2. Step 2: Convert to fraction form
    11,098.60/15,305.70 = 8,272.96/x
  3. Step 3: Cross multiply
    11,098.60x = 15,305.70 × 8,272.96
  4. Step 4: Simplify right side
    11,098.60x = 126,623,443.87
  5. Step 5: Solve for x
    x = 126,623,443.87/11,098.60
  6. Step 6: Final answer
    x = 11,408.96

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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.