Home / 22,384.45-30,891.33-12,313.65

Finding the Fourth Proportional to 22,384.45, 30,891.33 and 12,313.65

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Solution

The fourth proportional to 22,384.45, 30,891.33 and 12,313.65 is: 16,993.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,384.45 : 30,891.33 = 12,313.65 : x
  2. Step 2: Convert to fraction form
    22,384.45/30,891.33 = 12,313.65/x
  3. Step 3: Cross multiply
    22,384.45x = 30,891.33 × 12,313.65
  4. Step 4: Simplify right side
    22,384.45x = 380,384,964.09
  5. Step 5: Solve for x
    x = 380,384,964.09/22,384.45
  6. Step 6: Final answer
    x = 16,993.27

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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.