Home / 11,239.66-16,861.66-4,313.62

Finding the Fourth Proportional to 11,239.66, 16,861.66 and 4,313.62

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Solution

The fourth proportional to 11,239.66, 16,861.66 and 4,313.62 is: 6,471.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.66 : 16,861.66 = 4,313.62 : x
  2. Step 2: Convert to fraction form
    11,239.66/16,861.66 = 4,313.62/x
  3. Step 3: Cross multiply
    11,239.66x = 16,861.66 × 4,313.62
  4. Step 4: Simplify right side
    11,239.66x = 72,734,793.81
  5. Step 5: Solve for x
    x = 72,734,793.81/11,239.66
  6. Step 6: Final answer
    x = 6,471.26

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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.