Home / 17,178.40-25,735.20-10,244.80

Finding the Fourth Proportional to 17,178.40, 25,735.20 and 10,244.80

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Solution

The fourth proportional to 17,178.40, 25,735.20 and 10,244.80 is: 15,347.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,178.40 : 25,735.20 = 10,244.80 : x
  2. Step 2: Convert to fraction form
    17,178.40/25,735.20 = 10,244.80/x
  3. Step 3: Cross multiply
    17,178.40x = 25,735.20 × 10,244.80
  4. Step 4: Simplify right side
    17,178.40x = 263,651,976.96
  5. Step 5: Solve for x
    x = 263,651,976.96/17,178.40
  6. Step 6: Final answer
    x = 15,347.88

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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.