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Finding the Fourth Proportional to 15,340.03, 21,168.03 and 8,624.38

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Solution

The fourth proportional to 15,340.03, 21,168.03 and 8,624.38 is: 11,900.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,340.03 : 21,168.03 = 8,624.38 : x
  2. Step 2: Convert to fraction form
    15,340.03/21,168.03 = 8,624.38/x
  3. Step 3: Cross multiply
    15,340.03x = 21,168.03 × 8,624.38
  4. Step 4: Simplify right side
    15,340.03x = 182,561,134.57
  5. Step 5: Solve for x
    x = 182,561,134.57/15,340.03
  6. Step 6: Final answer
    x = 11,900.96

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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.