Home / 13,939.44-20,884.24-7,350.90

Finding the Fourth Proportional to 13,939.44, 20,884.24 and 7,350.90

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Solution

The fourth proportional to 13,939.44, 20,884.24 and 7,350.90 is: 11,013.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,939.44 : 20,884.24 = 7,350.90 : x
  2. Step 2: Convert to fraction form
    13,939.44/20,884.24 = 7,350.90/x
  3. Step 3: Cross multiply
    13,939.44x = 20,884.24 × 7,350.90
  4. Step 4: Simplify right side
    13,939.44x = 153,517,959.82
  5. Step 5: Solve for x
    x = 153,517,959.82/13,939.44
  6. Step 6: Final answer
    x = 11,013.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.