Home / 22,078.75-30,468.55-12,007.11

Finding the Fourth Proportional to 22,078.75, 30,468.55 and 12,007.11

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Solution

The fourth proportional to 22,078.75, 30,468.55 and 12,007.11 is: 16,569.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,078.75 : 30,468.55 = 12,007.11 : x
  2. Step 2: Convert to fraction form
    22,078.75/30,468.55 = 12,007.11/x
  3. Step 3: Cross multiply
    22,078.75x = 30,468.55 × 12,007.11
  4. Step 4: Simplify right side
    22,078.75x = 365,839,231.39
  5. Step 5: Solve for x
    x = 365,839,231.39/22,078.75
  6. Step 6: Final answer
    x = 16,569.74

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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.