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Finding the Fourth Proportional to 8,992.84, 13,494.68 and 7,150.36

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Solution

The fourth proportional to 8,992.84, 13,494.68 and 7,150.36 is: 10,729.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992.84 : 13,494.68 = 7,150.36 : x
  2. Step 2: Convert to fraction form
    8,992.84/13,494.68 = 7,150.36/x
  3. Step 3: Cross multiply
    8,992.84x = 13,494.68 × 7,150.36
  4. Step 4: Simplify right side
    8,992.84x = 96,491,820.08
  5. Step 5: Solve for x
    x = 96,491,820.08/8,992.84
  6. Step 6: Final answer
    x = 10,729.85

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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.