Home / 9,956.43-13,740.27-5,480.55

Finding the Fourth Proportional to 9,956.43, 13,740.27 and 5,480.55

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Solution

The fourth proportional to 9,956.43, 13,740.27 and 5,480.55 is: 7,563.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,956.43 : 13,740.27 = 5,480.55 : x
  2. Step 2: Convert to fraction form
    9,956.43/13,740.27 = 5,480.55/x
  3. Step 3: Cross multiply
    9,956.43x = 13,740.27 × 5,480.55
  4. Step 4: Simplify right side
    9,956.43x = 75,304,236.75
  5. Step 5: Solve for x
    x = 75,304,236.75/9,956.43
  6. Step 6: Final answer
    x = 7,563.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.