Home / 13,338.04-20,008.07-3,977.33

Finding the Fourth Proportional to 13,338.04, 20,008.07 and 3,977.33

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Solution

The fourth proportional to 13,338.04, 20,008.07 and 3,977.33 is: 5,966.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338.04 : 20,008.07 = 3,977.33 : x
  2. Step 2: Convert to fraction form
    13,338.04/20,008.07 = 3,977.33/x
  3. Step 3: Cross multiply
    13,338.04x = 20,008.07 × 3,977.33
  4. Step 4: Simplify right side
    13,338.04x = 79,578,592.04
  5. Step 5: Solve for x
    x = 79,578,592.04/13,338.04
  6. Step 6: Final answer
    x = 5,966.29

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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.