Home / 13,763.36-20,645.04-5,972

Finding the Fourth Proportional to 13,763.36, 20,645.04 and 5,972

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Solution

The fourth proportional to 13,763.36, 20,645.04 and 5,972 is: 8,958

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763.36 : 20,645.04 = 5,972 : x
  2. Step 2: Convert to fraction form
    13,763.36/20,645.04 = 5,972/x
  3. Step 3: Cross multiply
    13,763.36x = 20,645.04 × 5,972
  4. Step 4: Simplify right side
    13,763.36x = 123,292,178.88
  5. Step 5: Solve for x
    x = 123,292,178.88/13,763.36
  6. Step 6: Final answer
    x = 8,958

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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.