Home / 14,092.36-21,149.16-9,639.38

Finding the Fourth Proportional to 14,092.36, 21,149.16 and 9,639.38

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Solution

The fourth proportional to 14,092.36, 21,149.16 and 9,639.38 is: 14,466.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,092.36 : 21,149.16 = 9,639.38 : x
  2. Step 2: Convert to fraction form
    14,092.36/21,149.16 = 9,639.38/x
  3. Step 3: Cross multiply
    14,092.36x = 21,149.16 × 9,639.38
  4. Step 4: Simplify right side
    14,092.36x = 203,864,789.92
  5. Step 5: Solve for x
    x = 203,864,789.92/14,092.36
  6. Step 6: Final answer
    x = 14,466.33

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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.