Home / 11,197.80-15,452.70-6,161.88

Finding the Fourth Proportional to 11,197.80, 15,452.70 and 6,161.88

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Solution

The fourth proportional to 11,197.80, 15,452.70 and 6,161.88 is: 8,503.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,197.80 : 15,452.70 = 6,161.88 : x
  2. Step 2: Convert to fraction form
    11,197.80/15,452.70 = 6,161.88/x
  3. Step 3: Cross multiply
    11,197.80x = 15,452.70 × 6,161.88
  4. Step 4: Simplify right side
    11,197.80x = 95,217,683.08
  5. Step 5: Solve for x
    x = 95,217,683.08/11,197.80
  6. Step 6: Final answer
    x = 8,503.25

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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.