Home / 17,154.80-25,758.60-9,378.80

Finding the Fourth Proportional to 17,154.80, 25,758.60 and 9,378.80

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Solution

The fourth proportional to 17,154.80, 25,758.60 and 9,378.80 is: 14,082.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,154.80 : 25,758.60 = 9,378.80 : x
  2. Step 2: Convert to fraction form
    17,154.80/25,758.60 = 9,378.80/x
  3. Step 3: Cross multiply
    17,154.80x = 25,758.60 × 9,378.80
  4. Step 4: Simplify right side
    17,154.80x = 241,584,757.68
  5. Step 5: Solve for x
    x = 241,584,757.68/17,154.80
  6. Step 6: Final answer
    x = 14,082.63

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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.