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Finding the Fourth Proportional to 10,888.01, 15,026.07 and 8,230.80

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Solution

The fourth proportional to 10,888.01, 15,026.07 and 8,230.80 is: 11,358.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.01 : 15,026.07 = 8,230.80 : x
  2. Step 2: Convert to fraction form
    10,888.01/15,026.07 = 8,230.80/x
  3. Step 3: Cross multiply
    10,888.01x = 15,026.07 × 8,230.80
  4. Step 4: Simplify right side
    10,888.01x = 123,676,576.96
  5. Step 5: Solve for x
    x = 123,676,576.96/10,888.01
  6. Step 6: Final answer
    x = 11,358.97

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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.