Home / 22,515.82-31,083.69-14,020.54

Finding the Fourth Proportional to 22,515.82, 31,083.69 and 14,020.54

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Solution

The fourth proportional to 22,515.82, 31,083.69 and 14,020.54 is: 19,355.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,515.82 : 31,083.69 = 14,020.54 : x
  2. Step 2: Convert to fraction form
    22,515.82/31,083.69 = 14,020.54/x
  3. Step 3: Cross multiply
    22,515.82x = 31,083.69 × 14,020.54
  4. Step 4: Simplify right side
    22,515.82x = 435,810,118.99
  5. Step 5: Solve for x
    x = 435,810,118.99/22,515.82
  6. Step 6: Final answer
    x = 19,355.73

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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.