Home / 13,243.62-19,873.35-5,349.99

Finding the Fourth Proportional to 13,243.62, 19,873.35 and 5,349.99

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Solution

The fourth proportional to 13,243.62, 19,873.35 and 5,349.99 is: 8,028.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,243.62 : 19,873.35 = 5,349.99 : x
  2. Step 2: Convert to fraction form
    13,243.62/19,873.35 = 5,349.99/x
  3. Step 3: Cross multiply
    13,243.62x = 19,873.35 × 5,349.99
  4. Step 4: Simplify right side
    13,243.62x = 106,322,223.77
  5. Step 5: Solve for x
    x = 106,322,223.77/13,243.62
  6. Step 6: Final answer
    x = 8,028.18

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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.