Home / 11,151.80-16,706.10-6,212.60

Finding the Fourth Proportional to 11,151.80, 16,706.10 and 6,212.60

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Solution

The fourth proportional to 11,151.80, 16,706.10 and 6,212.60 is: 9,306.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,151.80 : 16,706.10 = 6,212.60 : x
  2. Step 2: Convert to fraction form
    11,151.80/16,706.10 = 6,212.60/x
  3. Step 3: Cross multiply
    11,151.80x = 16,706.10 × 6,212.60
  4. Step 4: Simplify right side
    11,151.80x = 103,788,316.86
  5. Step 5: Solve for x
    x = 103,788,316.86/11,151.80
  6. Step 6: Final answer
    x = 9,306.87

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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.