Home / 13,948.56-20,921.04-3,559.68

Finding the Fourth Proportional to 13,948.56, 20,921.04 and 3,559.68

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Solution

The fourth proportional to 13,948.56, 20,921.04 and 3,559.68 is: 5,339.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.56 : 20,921.04 = 3,559.68 : x
  2. Step 2: Convert to fraction form
    13,948.56/20,921.04 = 3,559.68/x
  3. Step 3: Cross multiply
    13,948.56x = 20,921.04 × 3,559.68
  4. Step 4: Simplify right side
    13,948.56x = 74,472,207.67
  5. Step 5: Solve for x
    x = 74,472,207.67/13,948.56
  6. Step 6: Final answer
    x = 5,339.06

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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.