Home / 20,253.54-27,945.38-11,750.72

Finding the Fourth Proportional to 20,253.54, 27,945.38 and 11,750.72

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Solution

The fourth proportional to 20,253.54, 27,945.38 and 11,750.72 is: 16,213.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,253.54 : 27,945.38 = 11,750.72 : x
  2. Step 2: Convert to fraction form
    20,253.54/27,945.38 = 11,750.72/x
  3. Step 3: Cross multiply
    20,253.54x = 27,945.38 × 11,750.72
  4. Step 4: Simplify right side
    20,253.54x = 328,378,349.47
  5. Step 5: Solve for x
    x = 328,378,349.47/20,253.54
  6. Step 6: Final answer
    x = 16,213.38

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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.