Home / 9,202.20-12,698.14-5,168.10

Finding the Fourth Proportional to 9,202.20, 12,698.14 and 5,168.10

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Solution

The fourth proportional to 9,202.20, 12,698.14 and 5,168.10 is: 7,131.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,202.20 : 12,698.14 = 5,168.10 : x
  2. Step 2: Convert to fraction form
    9,202.20/12,698.14 = 5,168.10/x
  3. Step 3: Cross multiply
    9,202.20x = 12,698.14 × 5,168.10
  4. Step 4: Simplify right side
    9,202.20x = 65,625,257.33
  5. Step 5: Solve for x
    x = 65,625,257.33/9,202.20
  6. Step 6: Final answer
    x = 7,131.47

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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.