Home / 10,956.74-16,434.29-4,378.73

Finding the Fourth Proportional to 10,956.74, 16,434.29 and 4,378.73

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Solution

The fourth proportional to 10,956.74, 16,434.29 and 4,378.73 is: 6,567.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,956.74 : 16,434.29 = 4,378.73 : x
  2. Step 2: Convert to fraction form
    10,956.74/16,434.29 = 4,378.73/x
  3. Step 3: Cross multiply
    10,956.74x = 16,434.29 × 4,378.73
  4. Step 4: Simplify right side
    10,956.74x = 71,961,247.43
  5. Step 5: Solve for x
    x = 71,961,247.43/10,956.74
  6. Step 6: Final answer
    x = 6,567.76

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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.