Home / 13,768.20-20,663.01-6,373.44

Finding the Fourth Proportional to 13,768.20, 20,663.01 and 6,373.44

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Solution

The fourth proportional to 13,768.20, 20,663.01 and 6,373.44 is: 9,565.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,768.20 : 20,663.01 = 6,373.44 : x
  2. Step 2: Convert to fraction form
    13,768.20/20,663.01 = 6,373.44/x
  3. Step 3: Cross multiply
    13,768.20x = 20,663.01 × 6,373.44
  4. Step 4: Simplify right side
    13,768.20x = 131,694,454.45
  5. Step 5: Solve for x
    x = 131,694,454.45/13,768.20
  6. Step 6: Final answer
    x = 9,565.12

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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.