Home / 13,963.56-20,939.88-5,193.70

Finding the Fourth Proportional to 13,963.56, 20,939.88 and 5,193.70

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Solution

The fourth proportional to 13,963.56, 20,939.88 and 5,193.70 is: 7,788.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.56 : 20,939.88 = 5,193.70 : x
  2. Step 2: Convert to fraction form
    13,963.56/20,939.88 = 5,193.70/x
  3. Step 3: Cross multiply
    13,963.56x = 20,939.88 × 5,193.70
  4. Step 4: Simplify right side
    13,963.56x = 108,755,454.76
  5. Step 5: Solve for x
    x = 108,755,454.76/13,963.56
  6. Step 6: Final answer
    x = 7,788.52

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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.