Home / 11,141.50-15,375.30-6,173.50

Finding the Fourth Proportional to 11,141.50, 15,375.30 and 6,173.50

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Solution

The fourth proportional to 11,141.50, 15,375.30 and 6,173.50 is: 8,519.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,141.50 : 15,375.30 = 6,173.50 : x
  2. Step 2: Convert to fraction form
    11,141.50/15,375.30 = 6,173.50/x
  3. Step 3: Cross multiply
    11,141.50x = 15,375.30 × 6,173.50
  4. Step 4: Simplify right side
    11,141.50x = 94,919,414.55
  5. Step 5: Solve for x
    x = 94,919,414.55/11,141.50
  6. Step 6: Final answer
    x = 8,519.45

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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.