Home / 17,088.20-25,632.30-12,422.60

Finding the Fourth Proportional to 17,088.20, 25,632.30 and 12,422.60

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Solution

The fourth proportional to 17,088.20, 25,632.30 and 12,422.60 is: 18,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,088.20 : 25,632.30 = 12,422.60 : x
  2. Step 2: Convert to fraction form
    17,088.20/25,632.30 = 12,422.60/x
  3. Step 3: Cross multiply
    17,088.20x = 25,632.30 × 12,422.60
  4. Step 4: Simplify right side
    17,088.20x = 318,419,809.98
  5. Step 5: Solve for x
    x = 318,419,809.98/17,088.20
  6. Step 6: Final answer
    x = 18,633.90

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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.