Home / 22,371.36-30,870.92-12,299.58

Finding the Fourth Proportional to 22,371.36, 30,870.92 and 12,299.58

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Solution

The fourth proportional to 22,371.36, 30,870.92 and 12,299.58 is: 16,972.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,371.36 : 30,870.92 = 12,299.58 : x
  2. Step 2: Convert to fraction form
    22,371.36/30,870.92 = 12,299.58/x
  3. Step 3: Cross multiply
    22,371.36x = 30,870.92 × 12,299.58
  4. Step 4: Simplify right side
    22,371.36x = 379,699,350.21
  5. Step 5: Solve for x
    x = 379,699,350.21/22,371.36
  6. Step 6: Final answer
    x = 16,972.56

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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.