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Finding the Fourth Proportional to 8,800.24, 13,221 and 8,302.08

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Solution

The fourth proportional to 8,800.24, 13,221 and 8,302.08 is: 12,472.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,800.24 : 13,221 = 8,302.08 : x
  2. Step 2: Convert to fraction form
    8,800.24/13,221 = 8,302.08/x
  3. Step 3: Cross multiply
    8,800.24x = 13,221 × 8,302.08
  4. Step 4: Simplify right side
    8,800.24x = 109,761,799.68
  5. Step 5: Solve for x
    x = 109,761,799.68/8,800.24
  6. Step 6: Final answer
    x = 12,472.59

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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.