Home / 10,635.80-15,947.86-5,090.56

Finding the Fourth Proportional to 10,635.80, 15,947.86 and 5,090.56

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Solution

The fourth proportional to 10,635.80, 15,947.86 and 5,090.56 is: 7,633.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,635.80 : 15,947.86 = 5,090.56 : x
  2. Step 2: Convert to fraction form
    10,635.80/15,947.86 = 5,090.56/x
  3. Step 3: Cross multiply
    10,635.80x = 15,947.86 × 5,090.56
  4. Step 4: Simplify right side
    10,635.80x = 81,183,538.20
  5. Step 5: Solve for x
    x = 81,183,538.20/10,635.80
  6. Step 6: Final answer
    x = 7,633.04

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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.