Home / 13,964.10-20,947.16-5,199

Finding the Fourth Proportional to 13,964.10, 20,947.16 and 5,199

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Solution

The fourth proportional to 13,964.10, 20,947.16 and 5,199 is: 7,798.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964.10 : 20,947.16 = 5,199 : x
  2. Step 2: Convert to fraction form
    13,964.10/20,947.16 = 5,199/x
  3. Step 3: Cross multiply
    13,964.10x = 20,947.16 × 5,199
  4. Step 4: Simplify right side
    13,964.10x = 108,904,258.85
  5. Step 5: Solve for x
    x = 108,904,258.85/13,964.10
  6. Step 6: Final answer
    x = 7,798.87

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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.