Home / 11,360.80-17,041.20-8,226.10

Finding the Fourth Proportional to 11,360.80, 17,041.20 and 8,226.10

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Solution

The fourth proportional to 11,360.80, 17,041.20 and 8,226.10 is: 12,339.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360.80 : 17,041.20 = 8,226.10 : x
  2. Step 2: Convert to fraction form
    11,360.80/17,041.20 = 8,226.10/x
  3. Step 3: Cross multiply
    11,360.80x = 17,041.20 × 8,226.10
  4. Step 4: Simplify right side
    11,360.80x = 140,182,615.32
  5. Step 5: Solve for x
    x = 140,182,615.32/11,360.80
  6. Step 6: Final answer
    x = 12,339.15

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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.