Home / 13,724.56-20,570.94-6,313.46

Finding the Fourth Proportional to 13,724.56, 20,570.94 and 6,313.46

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Solution

The fourth proportional to 13,724.56, 20,570.94 and 6,313.46 is: 9,462.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,724.56 : 20,570.94 = 6,313.46 : x
  2. Step 2: Convert to fraction form
    13,724.56/20,570.94 = 6,313.46/x
  3. Step 3: Cross multiply
    13,724.56x = 20,570.94 × 6,313.46
  4. Step 4: Simplify right side
    13,724.56x = 129,873,775.29
  5. Step 5: Solve for x
    x = 129,873,775.29/13,724.56
  6. Step 6: Final answer
    x = 9,462.88

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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.