Home / 11,211.36-15,472.08-6,175.80

Finding the Fourth Proportional to 11,211.36, 15,472.08 and 6,175.80

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Solution

The fourth proportional to 11,211.36, 15,472.08 and 6,175.80 is: 8,522.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.36 : 15,472.08 = 6,175.80 : x
  2. Step 2: Convert to fraction form
    11,211.36/15,472.08 = 6,175.80/x
  3. Step 3: Cross multiply
    11,211.36x = 15,472.08 × 6,175.80
  4. Step 4: Simplify right side
    11,211.36x = 95,552,471.66
  5. Step 5: Solve for x
    x = 95,552,471.66/11,211.36
  6. Step 6: Final answer
    x = 8,522.83

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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.