Home / 22,711.44-34,066.32-7,920.30

Finding the Fourth Proportional to 22,711.44, 34,066.32 and 7,920.30

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Solution

The fourth proportional to 22,711.44, 34,066.32 and 7,920.30 is: 11,880.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,711.44 : 34,066.32 = 7,920.30 : x
  2. Step 2: Convert to fraction form
    22,711.44/34,066.32 = 7,920.30/x
  3. Step 3: Cross multiply
    22,711.44x = 34,066.32 × 7,920.30
  4. Step 4: Simplify right side
    22,711.44x = 269,815,474.30
  5. Step 5: Solve for x
    x = 269,815,474.30/22,711.44
  6. Step 6: Final answer
    x = 11,880.16

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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.