Home / 20,265.96-27,964.89-11,766.42

Finding the Fourth Proportional to 20,265.96, 27,964.89 and 11,766.42

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Solution

The fourth proportional to 20,265.96, 27,964.89 and 11,766.42 is: 16,236.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,265.96 : 27,964.89 = 11,766.42 : x
  2. Step 2: Convert to fraction form
    20,265.96/27,964.89 = 11,766.42/x
  3. Step 3: Cross multiply
    20,265.96x = 27,964.89 × 11,766.42
  4. Step 4: Simplify right side
    20,265.96x = 329,046,501.17
  5. Step 5: Solve for x
    x = 329,046,501.17/20,265.96
  6. Step 6: Final answer
    x = 16,236.42

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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.