Home / 10,811.38-16,219.27-4,571.41

Finding the Fourth Proportional to 10,811.38, 16,219.27 and 4,571.41

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Solution

The fourth proportional to 10,811.38, 16,219.27 and 4,571.41 is: 6,858.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.38 : 16,219.27 = 4,571.41 : x
  2. Step 2: Convert to fraction form
    10,811.38/16,219.27 = 4,571.41/x
  3. Step 3: Cross multiply
    10,811.38x = 16,219.27 × 4,571.41
  4. Step 4: Simplify right side
    10,811.38x = 74,144,933.07
  5. Step 5: Solve for x
    x = 74,144,933.07/10,811.38
  6. Step 6: Final answer
    x = 6,858.05

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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.