Home / 17,517.60-26,256.24-8,758.80

Finding the Fourth Proportional to 17,517.60, 26,256.24 and 8,758.80

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Solution

The fourth proportional to 17,517.60, 26,256.24 and 8,758.80 is: 13,128.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,517.60 : 26,256.24 = 8,758.80 : x
  2. Step 2: Convert to fraction form
    17,517.60/26,256.24 = 8,758.80/x
  3. Step 3: Cross multiply
    17,517.60x = 26,256.24 × 8,758.80
  4. Step 4: Simplify right side
    17,517.60x = 229,973,154.91
  5. Step 5: Solve for x
    x = 229,973,154.91/17,517.60
  6. Step 6: Final answer
    x = 13,128.12

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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.