Home / 9,360.38-12,917.39-5,168.63

Finding the Fourth Proportional to 9,360.38, 12,917.39 and 5,168.63

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Solution

The fourth proportional to 9,360.38, 12,917.39 and 5,168.63 is: 7,132.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360.38 : 12,917.39 = 5,168.63 : x
  2. Step 2: Convert to fraction form
    9,360.38/12,917.39 = 5,168.63/x
  3. Step 3: Cross multiply
    9,360.38x = 12,917.39 × 5,168.63
  4. Step 4: Simplify right side
    9,360.38x = 66,765,119.05
  5. Step 5: Solve for x
    x = 66,765,119.05/9,360.38
  6. Step 6: Final answer
    x = 7,132.74

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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.