Home / 20,250.74-27,945.91-11,298.23

Finding the Fourth Proportional to 20,250.74, 27,945.91 and 11,298.23

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Solution

The fourth proportional to 20,250.74, 27,945.91 and 11,298.23 is: 15,591.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250.74 : 27,945.91 = 11,298.23 : x
  2. Step 2: Convert to fraction form
    20,250.74/27,945.91 = 11,298.23/x
  3. Step 3: Cross multiply
    20,250.74x = 27,945.91 × 11,298.23
  4. Step 4: Simplify right side
    20,250.74x = 315,739,179.01
  5. Step 5: Solve for x
    x = 315,739,179.01/20,250.74
  6. Step 6: Final answer
    x = 15,591.49

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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.