Home / 11,313.42-15,610.83-6,344.46

Finding the Fourth Proportional to 11,313.42, 15,610.83 and 6,344.46

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Solution

The fourth proportional to 11,313.42, 15,610.83 and 6,344.46 is: 8,754.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.42 : 15,610.83 = 6,344.46 : x
  2. Step 2: Convert to fraction form
    11,313.42/15,610.83 = 6,344.46/x
  3. Step 3: Cross multiply
    11,313.42x = 15,610.83 × 6,344.46
  4. Step 4: Simplify right side
    11,313.42x = 99,042,286.50
  5. Step 5: Solve for x
    x = 99,042,286.50/11,313.42
  6. Step 6: Final answer
    x = 8,754.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.