Home / 9,198.96-12,695.04-5,219.52

Finding the Fourth Proportional to 9,198.96, 12,695.04 and 5,219.52

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Solution

The fourth proportional to 9,198.96, 12,695.04 and 5,219.52 is: 7,203.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,198.96 : 12,695.04 = 5,219.52 : x
  2. Step 2: Convert to fraction form
    9,198.96/12,695.04 = 5,219.52/x
  3. Step 3: Cross multiply
    9,198.96x = 12,695.04 × 5,219.52
  4. Step 4: Simplify right side
    9,198.96x = 66,262,015.18
  5. Step 5: Solve for x
    x = 66,262,015.18/9,198.96
  6. Step 6: Final answer
    x = 7,203.21

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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.