Home / 20,152.38-30,244.31-13,955.82

Finding the Fourth Proportional to 20,152.38, 30,244.31 and 13,955.82

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Solution

The fourth proportional to 20,152.38, 30,244.31 and 13,955.82 is: 20,944.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152.38 : 30,244.31 = 13,955.82 : x
  2. Step 2: Convert to fraction form
    20,152.38/30,244.31 = 13,955.82/x
  3. Step 3: Cross multiply
    20,152.38x = 30,244.31 × 13,955.82
  4. Step 4: Simplify right side
    20,152.38x = 422,084,076.61
  5. Step 5: Solve for x
    x = 422,084,076.61/20,152.38
  6. Step 6: Final answer
    x = 20,944.63

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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.