Home / 14,083.29-21,120.62-9,728.73

Finding the Fourth Proportional to 14,083.29, 21,120.62 and 9,728.73

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Solution

The fourth proportional to 14,083.29, 21,120.62 and 9,728.73 is: 14,590.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,083.29 : 21,120.62 = 9,728.73 : x
  2. Step 2: Convert to fraction form
    14,083.29/21,120.62 = 9,728.73/x
  3. Step 3: Cross multiply
    14,083.29x = 21,120.62 × 9,728.73
  4. Step 4: Simplify right side
    14,083.29x = 205,476,760.77
  5. Step 5: Solve for x
    x = 205,476,760.77/14,083.29
  6. Step 6: Final answer
    x = 14,590.11

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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.