Home / 11,149.11-16,731.86-8,983.98

Finding the Fourth Proportional to 11,149.11, 16,731.86 and 8,983.98

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Solution

The fourth proportional to 11,149.11, 16,731.86 and 8,983.98 is: 13,482.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,149.11 : 16,731.86 = 8,983.98 : x
  2. Step 2: Convert to fraction form
    11,149.11/16,731.86 = 8,983.98/x
  3. Step 3: Cross multiply
    11,149.11x = 16,731.86 × 8,983.98
  4. Step 4: Simplify right side
    11,149.11x = 150,318,650.68
  5. Step 5: Solve for x
    x = 150,318,650.68/11,149.11
  6. Step 6: Final answer
    x = 13,482.57

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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.