Home / 8,912.16-13,367.43-2,338.20

Finding the Fourth Proportional to 8,912.16, 13,367.43 and 2,338.20

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Solution

The fourth proportional to 8,912.16, 13,367.43 and 2,338.20 is: 3,507.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912.16 : 13,367.43 = 2,338.20 : x
  2. Step 2: Convert to fraction form
    8,912.16/13,367.43 = 2,338.20/x
  3. Step 3: Cross multiply
    8,912.16x = 13,367.43 × 2,338.20
  4. Step 4: Simplify right side
    8,912.16x = 31,255,724.83
  5. Step 5: Solve for x
    x = 31,255,724.83/8,912.16
  6. Step 6: Final answer
    x = 3,507.09

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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.