Home / 22,315.80-33,470.58-12,338.94

Finding the Fourth Proportional to 22,315.80, 33,470.58 and 12,338.94

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Solution

The fourth proportional to 22,315.80, 33,470.58 and 12,338.94 is: 18,506.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,315.80 : 33,470.58 = 12,338.94 : x
  2. Step 2: Convert to fraction form
    22,315.80/33,470.58 = 12,338.94/x
  3. Step 3: Cross multiply
    22,315.80x = 33,470.58 × 12,338.94
  4. Step 4: Simplify right side
    22,315.80x = 412,991,478.39
  5. Step 5: Solve for x
    x = 412,991,478.39/22,315.80
  6. Step 6: Final answer
    x = 18,506.68

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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.