Home / 9,360.44-12,917.16-5,168.60

Finding the Fourth Proportional to 9,360.44, 12,917.16 and 5,168.60

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Solution

The fourth proportional to 9,360.44, 12,917.16 and 5,168.60 is: 7,132.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360.44 : 12,917.16 = 5,168.60 : x
  2. Step 2: Convert to fraction form
    9,360.44/12,917.16 = 5,168.60/x
  3. Step 3: Cross multiply
    9,360.44x = 12,917.16 × 5,168.60
  4. Step 4: Simplify right side
    9,360.44x = 66,763,633.18
  5. Step 5: Solve for x
    x = 66,763,633.18/9,360.44
  6. Step 6: Final answer
    x = 7,132.53

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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.