Home / 9,360.38-12,919.40-5,956.70

Finding the Fourth Proportional to 9,360.38, 12,919.40 and 5,956.70

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Solution

The fourth proportional to 9,360.38, 12,919.40 and 5,956.70 is: 8,221.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360.38 : 12,919.40 = 5,956.70 : x
  2. Step 2: Convert to fraction form
    9,360.38/12,919.40 = 5,956.70/x
  3. Step 3: Cross multiply
    9,360.38x = 12,919.40 × 5,956.70
  4. Step 4: Simplify right side
    9,360.38x = 76,956,989.98
  5. Step 5: Solve for x
    x = 76,956,989.98/9,360.38
  6. Step 6: Final answer
    x = 8,221.57

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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.