Home / 22,680.57-34,021.62-7,889.61

Finding the Fourth Proportional to 22,680.57, 34,021.62 and 7,889.61

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Solution

The fourth proportional to 22,680.57, 34,021.62 and 7,889.61 is: 11,834.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,680.57 : 34,021.62 = 7,889.61 : x
  2. Step 2: Convert to fraction form
    22,680.57/34,021.62 = 7,889.61/x
  3. Step 3: Cross multiply
    22,680.57x = 34,021.62 × 7,889.61
  4. Step 4: Simplify right side
    22,680.57x = 268,417,313.37
  5. Step 5: Solve for x
    x = 268,417,313.37/22,680.57
  6. Step 6: Final answer
    x = 11,834.68

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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.