Home / 13,948.56-20,922.81-3,560.31

Finding the Fourth Proportional to 13,948.56, 20,922.81 and 3,560.31

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Solution

The fourth proportional to 13,948.56, 20,922.81 and 3,560.31 is: 5,340.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.56 : 20,922.81 = 3,560.31 : x
  2. Step 2: Convert to fraction form
    13,948.56/20,922.81 = 3,560.31/x
  3. Step 3: Cross multiply
    13,948.56x = 20,922.81 × 3,560.31
  4. Step 4: Simplify right side
    13,948.56x = 74,491,689.67
  5. Step 5: Solve for x
    x = 74,491,689.67/13,948.56
  6. Step 6: Final answer
    x = 5,340.46

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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.