Home / 26,171.55-39,244.19-12,119.49

Finding the Fourth Proportional to 26,171.55, 39,244.19 and 12,119.49

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Solution

The fourth proportional to 26,171.55, 39,244.19 and 12,119.49 is: 18,173.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,171.55 : 39,244.19 = 12,119.49 : x
  2. Step 2: Convert to fraction form
    26,171.55/39,244.19 = 12,119.49/x
  3. Step 3: Cross multiply
    26,171.55x = 39,244.19 × 12,119.49
  4. Step 4: Simplify right side
    26,171.55x = 475,619,507.67
  5. Step 5: Solve for x
    x = 475,619,507.67/26,171.55
  6. Step 6: Final answer
    x = 18,173.15

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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.