Home / 13,912.07-20,868.27-5,028.08

Finding the Fourth Proportional to 13,912.07, 20,868.27 and 5,028.08

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Solution

The fourth proportional to 13,912.07, 20,868.27 and 5,028.08 is: 7,542.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,912.07 : 20,868.27 = 5,028.08 : x
  2. Step 2: Convert to fraction form
    13,912.07/20,868.27 = 5,028.08/x
  3. Step 3: Cross multiply
    13,912.07x = 20,868.27 × 5,028.08
  4. Step 4: Simplify right side
    13,912.07x = 104,927,207.82
  5. Step 5: Solve for x
    x = 104,927,207.82/13,912.07
  6. Step 6: Final answer
    x = 7,542.17

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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.