Home / 25,465.06-38,198.62-12,131.20

Finding the Fourth Proportional to 25,465.06, 38,198.62 and 12,131.20

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Solution

The fourth proportional to 25,465.06, 38,198.62 and 12,131.20 is: 18,197.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,465.06 : 38,198.62 = 12,131.20 : x
  2. Step 2: Convert to fraction form
    25,465.06/38,198.62 = 12,131.20/x
  3. Step 3: Cross multiply
    25,465.06x = 38,198.62 × 12,131.20
  4. Step 4: Simplify right side
    25,465.06x = 463,395,098.94
  5. Step 5: Solve for x
    x = 463,395,098.94/25,465.06
  6. Step 6: Final answer
    x = 18,197.29

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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.