Home / 8,956.32-13,434.37-5,447.30

Finding the Fourth Proportional to 8,956.32, 13,434.37 and 5,447.30

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Solution

The fourth proportional to 8,956.32, 13,434.37 and 5,447.30 is: 8,170.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,956.32 : 13,434.37 = 5,447.30 : x
  2. Step 2: Convert to fraction form
    8,956.32/13,434.37 = 5,447.30/x
  3. Step 3: Cross multiply
    8,956.32x = 13,434.37 × 5,447.30
  4. Step 4: Simplify right side
    8,956.32x = 73,180,976.53
  5. Step 5: Solve for x
    x = 73,180,976.53/8,956.32
  6. Step 6: Final answer
    x = 8,170.88

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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.