Home / 11,571.15-17,356.78-2,806.07

Finding the Fourth Proportional to 11,571.15, 17,356.78 and 2,806.07

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Solution

The fourth proportional to 11,571.15, 17,356.78 and 2,806.07 is: 4,209.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,571.15 : 17,356.78 = 2,806.07 : x
  2. Step 2: Convert to fraction form
    11,571.15/17,356.78 = 2,806.07/x
  3. Step 3: Cross multiply
    11,571.15x = 17,356.78 × 2,806.07
  4. Step 4: Simplify right side
    11,571.15x = 48,704,256.38
  5. Step 5: Solve for x
    x = 48,704,256.38/11,571.15
  6. Step 6: Final answer
    x = 4,209.11

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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.