Home / 11,000.55-15,180.78-5,964.78

Finding the Fourth Proportional to 11,000.55, 15,180.78 and 5,964.78

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Solution

The fourth proportional to 11,000.55, 15,180.78 and 5,964.78 is: 8,231.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.55 : 15,180.78 = 5,964.78 : x
  2. Step 2: Convert to fraction form
    11,000.55/15,180.78 = 5,964.78/x
  3. Step 3: Cross multiply
    11,000.55x = 15,180.78 × 5,964.78
  4. Step 4: Simplify right side
    11,000.55x = 90,550,012.93
  5. Step 5: Solve for x
    x = 90,550,012.93/11,000.55
  6. Step 6: Final answer
    x = 8,231.41

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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.