Home / 22,284.71-30,745.30-12,717.73

Finding the Fourth Proportional to 22,284.71, 30,745.30 and 12,717.73

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Solution

The fourth proportional to 22,284.71, 30,745.30 and 12,717.73 is: 17,546.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,284.71 : 30,745.30 = 12,717.73 : x
  2. Step 2: Convert to fraction form
    22,284.71/30,745.30 = 12,717.73/x
  3. Step 3: Cross multiply
    22,284.71x = 30,745.30 × 12,717.73
  4. Step 4: Simplify right side
    22,284.71x = 391,010,424.17
  5. Step 5: Solve for x
    x = 391,010,424.17/22,284.71
  6. Step 6: Final answer
    x = 17,546.13

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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.