Home / 17,089.80-25,638.30-5,404.20

Finding the Fourth Proportional to 17,089.80, 25,638.30 and 5,404.20

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Solution

The fourth proportional to 17,089.80, 25,638.30 and 5,404.20 is: 8,107.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,089.80 : 25,638.30 = 5,404.20 : x
  2. Step 2: Convert to fraction form
    17,089.80/25,638.30 = 5,404.20/x
  3. Step 3: Cross multiply
    17,089.80x = 25,638.30 × 5,404.20
  4. Step 4: Simplify right side
    17,089.80x = 138,554,500.86
  5. Step 5: Solve for x
    x = 138,554,500.86/17,089.80
  6. Step 6: Final answer
    x = 8,107.44

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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.