Home / 11,000.15-16,500.23-9,790.55

Finding the Fourth Proportional to 11,000.15, 16,500.23 and 9,790.55

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Solution

The fourth proportional to 11,000.15, 16,500.23 and 9,790.55 is: 14,685.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.15 : 16,500.23 = 9,790.55 : x
  2. Step 2: Convert to fraction form
    11,000.15/16,500.23 = 9,790.55/x
  3. Step 3: Cross multiply
    11,000.15x = 16,500.23 × 9,790.55
  4. Step 4: Simplify right side
    11,000.15x = 161,546,326.83
  5. Step 5: Solve for x
    x = 161,546,326.83/11,000.15
  6. Step 6: Final answer
    x = 14,685.83

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Similar ratio
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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.