Home / 30,258.36-45,387.54-9,198.36

Finding the Fourth Proportional to 30,258.36, 45,387.54 and 9,198.36

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Solution

The fourth proportional to 30,258.36, 45,387.54 and 9,198.36 is: 13,797.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,258.36 : 45,387.54 = 9,198.36 : x
  2. Step 2: Convert to fraction form
    30,258.36/45,387.54 = 9,198.36/x
  3. Step 3: Cross multiply
    30,258.36x = 45,387.54 × 9,198.36
  4. Step 4: Simplify right side
    30,258.36x = 417,490,932.43
  5. Step 5: Solve for x
    x = 417,490,932.43/30,258.36
  6. Step 6: Final answer
    x = 13,797.54

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Similar ratio
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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.