Home / 9,620.20-13,278.18-7,258.60

Finding the Fourth Proportional to 9,620.20, 13,278.18 and 7,258.60

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Solution

The fourth proportional to 9,620.20, 13,278.18 and 7,258.60 is: 10,018.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,620.20 : 13,278.18 = 7,258.60 : x
  2. Step 2: Convert to fraction form
    9,620.20/13,278.18 = 7,258.60/x
  3. Step 3: Cross multiply
    9,620.20x = 13,278.18 × 7,258.60
  4. Step 4: Simplify right side
    9,620.20x = 96,380,997.35
  5. Step 5: Solve for x
    x = 96,380,997.35/9,620.20
  6. Step 6: Final answer
    x = 10,018.61

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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.