Home / 26,132.20-39,198.30-12,308.20

Finding the Fourth Proportional to 26,132.20, 39,198.30 and 12,308.20

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Solution

The fourth proportional to 26,132.20, 39,198.30 and 12,308.20 is: 18,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,132.20 : 39,198.30 = 12,308.20 : x
  2. Step 2: Convert to fraction form
    26,132.20/39,198.30 = 12,308.20/x
  3. Step 3: Cross multiply
    26,132.20x = 39,198.30 × 12,308.20
  4. Step 4: Simplify right side
    26,132.20x = 482,460,516.06
  5. Step 5: Solve for x
    x = 482,460,516.06/26,132.20
  6. Step 6: Final answer
    x = 18,462.30

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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.