Home / 17,199.28-23,739.92-10,129.80

Finding the Fourth Proportional to 17,199.28, 23,739.92 and 10,129.80

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Solution

The fourth proportional to 17,199.28, 23,739.92 and 10,129.80 is: 13,982.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,199.28 : 23,739.92 = 10,129.80 : x
  2. Step 2: Convert to fraction form
    17,199.28/23,739.92 = 10,129.80/x
  3. Step 3: Cross multiply
    17,199.28x = 23,739.92 × 10,129.80
  4. Step 4: Simplify right side
    17,199.28x = 240,480,641.62
  5. Step 5: Solve for x
    x = 240,480,641.62/17,199.28
  6. Step 6: Final answer
    x = 13,982.02

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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.