Home / 30,258.32-45,387.46-9,198.53

Finding the Fourth Proportional to 30,258.32, 45,387.46 and 9,198.53

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Solution

The fourth proportional to 30,258.32, 45,387.46 and 9,198.53 is: 13,797.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,258.32 : 45,387.46 = 9,198.53 : x
  2. Step 2: Convert to fraction form
    30,258.32/45,387.46 = 9,198.53/x
  3. Step 3: Cross multiply
    30,258.32x = 45,387.46 × 9,198.53
  4. Step 4: Simplify right side
    30,258.32x = 417,497,912.43
  5. Step 5: Solve for x
    x = 417,497,912.43/30,258.32
  6. Step 6: Final answer
    x = 13,797.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.