Home / 10,811.08-16,219.08-4,571.62

Finding the Fourth Proportional to 10,811.08, 16,219.08 and 4,571.62

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Solution

The fourth proportional to 10,811.08, 16,219.08 and 4,571.62 is: 6,858.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.08 : 16,219.08 = 4,571.62 : x
  2. Step 2: Convert to fraction form
    10,811.08/16,219.08 = 4,571.62/x
  3. Step 3: Cross multiply
    10,811.08x = 16,219.08 × 4,571.62
  4. Step 4: Simplify right side
    10,811.08x = 74,147,470.51
  5. Step 5: Solve for x
    x = 74,147,470.51/10,811.08
  6. Step 6: Final answer
    x = 6,858.47

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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.