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Finding the Fourth Proportional to 10,882.98, 15,019.08 and 6,633.38

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Solution

The fourth proportional to 10,882.98, 15,019.08 and 6,633.38 is: 9,154.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,882.98 : 15,019.08 = 6,633.38 : x
  2. Step 2: Convert to fraction form
    10,882.98/15,019.08 = 6,633.38/x
  3. Step 3: Cross multiply
    10,882.98x = 15,019.08 × 6,633.38
  4. Step 4: Simplify right side
    10,882.98x = 99,627,264.89
  5. Step 5: Solve for x
    x = 99,627,264.89/10,882.98
  6. Step 6: Final answer
    x = 9,154.41

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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.