Home / 9,109.20-13,645.80-8,026.80

Finding the Fourth Proportional to 9,109.20, 13,645.80 and 8,026.80

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Solution

The fourth proportional to 9,109.20, 13,645.80 and 8,026.80 is: 12,024.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109.20 : 13,645.80 = 8,026.80 : x
  2. Step 2: Convert to fraction form
    9,109.20/13,645.80 = 8,026.80/x
  3. Step 3: Cross multiply
    9,109.20x = 13,645.80 × 8,026.80
  4. Step 4: Simplify right side
    9,109.20x = 109,532,107.44
  5. Step 5: Solve for x
    x = 109,532,107.44/9,109.20
  6. Step 6: Final answer
    x = 12,024.34

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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.