Home / 11,084.67-15,302.48-8,561.11

Finding the Fourth Proportional to 11,084.67, 15,302.48 and 8,561.11

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Solution

The fourth proportional to 11,084.67, 15,302.48 and 8,561.11 is: 11,818.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,084.67 : 15,302.48 = 8,561.11 : x
  2. Step 2: Convert to fraction form
    11,084.67/15,302.48 = 8,561.11/x
  3. Step 3: Cross multiply
    11,084.67x = 15,302.48 × 8,561.11
  4. Step 4: Simplify right side
    11,084.67x = 131,006,214.55
  5. Step 5: Solve for x
    x = 131,006,214.55/11,084.67
  6. Step 6: Final answer
    x = 11,818.68

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Double scale
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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.