Home / 13,935.06-20,902.32-3,546.81

Finding the Fourth Proportional to 13,935.06, 20,902.32 and 3,546.81

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Solution

The fourth proportional to 13,935.06, 20,902.32 and 3,546.81 is: 5,320.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.06 : 20,902.32 = 3,546.81 : x
  2. Step 2: Convert to fraction form
    13,935.06/20,902.32 = 3,546.81/x
  3. Step 3: Cross multiply
    13,935.06x = 20,902.32 × 3,546.81
  4. Step 4: Simplify right side
    13,935.06x = 74,136,557.60
  5. Step 5: Solve for x
    x = 74,136,557.60/13,935.06
  6. Step 6: Final answer
    x = 5,320.15

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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.