Home / 22,007.45-30,369.47-13,049.60

Finding the Fourth Proportional to 22,007.45, 30,369.47 and 13,049.60

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Solution

The fourth proportional to 22,007.45, 30,369.47 and 13,049.60 is: 18,007.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,007.45 : 30,369.47 = 13,049.60 : x
  2. Step 2: Convert to fraction form
    22,007.45/30,369.47 = 13,049.60/x
  3. Step 3: Cross multiply
    22,007.45x = 30,369.47 × 13,049.60
  4. Step 4: Simplify right side
    22,007.45x = 396,309,218.62
  5. Step 5: Solve for x
    x = 396,309,218.62/22,007.45
  6. Step 6: Final answer
    x = 18,007.96

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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.