Home / 17,381.20-26,065.40-5,694.80

Finding the Fourth Proportional to 17,381.20, 26,065.40 and 5,694.80

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Solution

The fourth proportional to 17,381.20, 26,065.40 and 5,694.80 is: 8,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,381.20 : 26,065.40 = 5,694.80 : x
  2. Step 2: Convert to fraction form
    17,381.20/26,065.40 = 5,694.80/x
  3. Step 3: Cross multiply
    17,381.20x = 26,065.40 × 5,694.80
  4. Step 4: Simplify right side
    17,381.20x = 148,437,239.92
  5. Step 5: Solve for x
    x = 148,437,239.92/17,381.20
  6. Step 6: Final answer
    x = 8,540.10

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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.