Home / 13,948.06-20,922.07-3,559.81

Finding the Fourth Proportional to 13,948.06, 20,922.07 and 3,559.81

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Solution

The fourth proportional to 13,948.06, 20,922.07 and 3,559.81 is: 5,339.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.06 : 20,922.07 = 3,559.81 : x
  2. Step 2: Convert to fraction form
    13,948.06/20,922.07 = 3,559.81/x
  3. Step 3: Cross multiply
    13,948.06x = 20,922.07 × 3,559.81
  4. Step 4: Simplify right side
    13,948.06x = 74,478,471.60
  5. Step 5: Solve for x
    x = 74,478,471.60/13,948.06
  6. Step 6: Final answer
    x = 5,339.70

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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.