Home / 20,249.55-27,943.74-11,298.58

Finding the Fourth Proportional to 20,249.55, 27,943.74 and 11,298.58

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Solution

The fourth proportional to 20,249.55, 27,943.74 and 11,298.58 is: 15,591.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,249.55 : 27,943.74 = 11,298.58 : x
  2. Step 2: Convert to fraction form
    20,249.55/27,943.74 = 11,298.58/x
  3. Step 3: Cross multiply
    20,249.55x = 27,943.74 × 11,298.58
  4. Step 4: Simplify right side
    20,249.55x = 315,724,512.03
  5. Step 5: Solve for x
    x = 315,724,512.03/20,249.55
  6. Step 6: Final answer
    x = 15,591.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.