Home / 11,098.82-15,316.38-6,383.12

Finding the Fourth Proportional to 11,098.82, 15,316.38 and 6,383.12

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Solution

The fourth proportional to 11,098.82, 15,316.38 and 6,383.12 is: 8,808.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,098.82 : 15,316.38 = 6,383.12 : x
  2. Step 2: Convert to fraction form
    11,098.82/15,316.38 = 6,383.12/x
  3. Step 3: Cross multiply
    11,098.82x = 15,316.38 × 6,383.12
  4. Step 4: Simplify right side
    11,098.82x = 97,766,214.92
  5. Step 5: Solve for x
    x = 97,766,214.92/11,098.82
  6. Step 6: Final answer
    x = 8,808.70

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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.