Home / 17,207.88-25,810.62-5,520.12

Finding the Fourth Proportional to 17,207.88, 25,810.62 and 5,520.12

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Solution

The fourth proportional to 17,207.88, 25,810.62 and 5,520.12 is: 8,279.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,207.88 : 25,810.62 = 5,520.12 : x
  2. Step 2: Convert to fraction form
    17,207.88/25,810.62 = 5,520.12/x
  3. Step 3: Cross multiply
    17,207.88x = 25,810.62 × 5,520.12
  4. Step 4: Simplify right side
    17,207.88x = 142,477,719.67
  5. Step 5: Solve for x
    x = 142,477,719.67/17,207.88
  6. Step 6: Final answer
    x = 8,279.80

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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.