Home / 11,287.40-16,928.52-4,268.14

Finding the Fourth Proportional to 11,287.40, 16,928.52 and 4,268.14

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Solution

The fourth proportional to 11,287.40, 16,928.52 and 4,268.14 is: 6,401.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.40 : 16,928.52 = 4,268.14 : x
  2. Step 2: Convert to fraction form
    11,287.40/16,928.52 = 4,268.14/x
  3. Step 3: Cross multiply
    11,287.40x = 16,928.52 × 4,268.14
  4. Step 4: Simplify right side
    11,287.40x = 72,253,293.35
  5. Step 5: Solve for x
    x = 72,253,293.35/11,287.40
  6. Step 6: Final answer
    x = 6,401.23

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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.