Home / 10,838.92-16,258.40-4,268.20

Finding the Fourth Proportional to 10,838.92, 16,258.40 and 4,268.20

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Solution

The fourth proportional to 10,838.92, 16,258.40 and 4,268.20 is: 6,402.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,838.92 : 16,258.40 = 4,268.20 : x
  2. Step 2: Convert to fraction form
    10,838.92/16,258.40 = 4,268.20/x
  3. Step 3: Cross multiply
    10,838.92x = 16,258.40 × 4,268.20
  4. Step 4: Simplify right side
    10,838.92x = 69,394,102.88
  5. Step 5: Solve for x
    x = 69,394,102.88/10,838.92
  6. Step 6: Final answer
    x = 6,402.31

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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.