Home / 14,121.48-21,177.88-9,766.92

Finding the Fourth Proportional to 14,121.48, 21,177.88 and 9,766.92

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Solution

The fourth proportional to 14,121.48, 21,177.88 and 9,766.92 is: 14,647.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121.48 : 21,177.88 = 9,766.92 : x
  2. Step 2: Convert to fraction form
    14,121.48/21,177.88 = 9,766.92/x
  3. Step 3: Cross multiply
    14,121.48x = 21,177.88 × 9,766.92
  4. Step 4: Simplify right side
    14,121.48x = 206,842,659.73
  5. Step 5: Solve for x
    x = 206,842,659.73/14,121.48
  6. Step 6: Final answer
    x = 14,647.38

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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.