Home / 10,104.31-15,149.58-5,169.93

Finding the Fourth Proportional to 10,104.31, 15,149.58 and 5,169.93

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Solution

The fourth proportional to 10,104.31, 15,149.58 and 5,169.93 is: 7,751.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,104.31 : 15,149.58 = 5,169.93 : x
  2. Step 2: Convert to fraction form
    10,104.31/15,149.58 = 5,169.93/x
  3. Step 3: Cross multiply
    10,104.31x = 15,149.58 × 5,169.93
  4. Step 4: Simplify right side
    10,104.31x = 78,322,268.13
  5. Step 5: Solve for x
    x = 78,322,268.13/10,104.31
  6. Step 6: Final answer
    x = 7,751.37

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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.