Home / 18,955.33-28,373.82-13,963.33

Finding the Fourth Proportional to 18,955.33, 28,373.82 and 13,963.33

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Solution

The fourth proportional to 18,955.33, 28,373.82 and 13,963.33 is: 20,901.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,955.33 : 28,373.82 = 13,963.33 : x
  2. Step 2: Convert to fraction form
    18,955.33/28,373.82 = 13,963.33/x
  3. Step 3: Cross multiply
    18,955.33x = 28,373.82 × 13,963.33
  4. Step 4: Simplify right side
    18,955.33x = 396,193,012.02
  5. Step 5: Solve for x
    x = 396,193,012.02/18,955.33
  6. Step 6: Final answer
    x = 20,901.40

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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.