Home / 9,360.36-12,917.34-5,168.61

Finding the Fourth Proportional to 9,360.36, 12,917.34 and 5,168.61

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Solution

The fourth proportional to 9,360.36, 12,917.34 and 5,168.61 is: 7,132.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360.36 : 12,917.34 = 5,168.61 : x
  2. Step 2: Convert to fraction form
    9,360.36/12,917.34 = 5,168.61/x
  3. Step 3: Cross multiply
    9,360.36x = 12,917.34 × 5,168.61
  4. Step 4: Simplify right side
    9,360.36x = 66,764,692.70
  5. Step 5: Solve for x
    x = 66,764,692.70/9,360.36
  6. Step 6: Final answer
    x = 7,132.71

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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.