Home / 22,348.40-30,836.49-15,183.99

Finding the Fourth Proportional to 22,348.40, 30,836.49 and 15,183.99

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Solution

The fourth proportional to 22,348.40, 30,836.49 and 15,183.99 is: 20,950.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,348.40 : 30,836.49 = 15,183.99 : x
  2. Step 2: Convert to fraction form
    22,348.40/30,836.49 = 15,183.99/x
  3. Step 3: Cross multiply
    22,348.40x = 30,836.49 × 15,183.99
  4. Step 4: Simplify right side
    22,348.40x = 468,220,955.80
  5. Step 5: Solve for x
    x = 468,220,955.80/22,348.40
  6. Step 6: Final answer
    x = 20,950.99

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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.