Home / 10,981.07-16,471.78-3,966.11

Finding the Fourth Proportional to 10,981.07, 16,471.78 and 3,966.11

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Solution

The fourth proportional to 10,981.07, 16,471.78 and 3,966.11 is: 5,949.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,981.07 : 16,471.78 = 3,966.11 : x
  2. Step 2: Convert to fraction form
    10,981.07/16,471.78 = 3,966.11/x
  3. Step 3: Cross multiply
    10,981.07x = 16,471.78 × 3,966.11
  4. Step 4: Simplify right side
    10,981.07x = 65,328,964.68
  5. Step 5: Solve for x
    x = 65,328,964.68/10,981.07
  6. Step 6: Final answer
    x = 5,949.24

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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.