Home / 22,015.40-33,047.40-12,149.60

Finding the Fourth Proportional to 22,015.40, 33,047.40 and 12,149.60

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Solution

The fourth proportional to 22,015.40, 33,047.40 and 12,149.60 is: 18,237.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,015.40 : 33,047.40 = 12,149.60 : x
  2. Step 2: Convert to fraction form
    22,015.40/33,047.40 = 12,149.60/x
  3. Step 3: Cross multiply
    22,015.40x = 33,047.40 × 12,149.60
  4. Step 4: Simplify right side
    22,015.40x = 401,512,691.04
  5. Step 5: Solve for x
    x = 401,512,691.04/22,015.40
  6. Step 6: Final answer
    x = 18,237.81

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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.