Home / 13,755.80-20,630.38-6,353.14

Finding the Fourth Proportional to 13,755.80, 20,630.38 and 6,353.14

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Solution

The fourth proportional to 13,755.80, 20,630.38 and 6,353.14 is: 9,528.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,755.80 : 20,630.38 = 6,353.14 : x
  2. Step 2: Convert to fraction form
    13,755.80/20,630.38 = 6,353.14/x
  3. Step 3: Cross multiply
    13,755.80x = 20,630.38 × 6,353.14
  4. Step 4: Simplify right side
    13,755.80x = 131,067,660.63
  5. Step 5: Solve for x
    x = 131,067,660.63/13,755.80
  6. Step 6: Final answer
    x = 9,528.17

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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.