Home / 11,211.14-15,471.65-6,175.53

Finding the Fourth Proportional to 11,211.14, 15,471.65 and 6,175.53

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Solution

The fourth proportional to 11,211.14, 15,471.65 and 6,175.53 is: 8,522.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.14 : 15,471.65 = 6,175.53 : x
  2. Step 2: Convert to fraction form
    11,211.14/15,471.65 = 6,175.53/x
  3. Step 3: Cross multiply
    11,211.14x = 15,471.65 × 6,175.53
  4. Step 4: Simplify right side
    11,211.14x = 95,545,530.49
  5. Step 5: Solve for x
    x = 95,545,530.49/11,211.14
  6. Step 6: Final answer
    x = 8,522.38

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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.