Home / 13,338.03-20,008.18-3,977.44

Finding the Fourth Proportional to 13,338.03, 20,008.18 and 3,977.44

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Solution

The fourth proportional to 13,338.03, 20,008.18 and 3,977.44 is: 5,966.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338.03 : 20,008.18 = 3,977.44 : x
  2. Step 2: Convert to fraction form
    13,338.03/20,008.18 = 3,977.44/x
  3. Step 3: Cross multiply
    13,338.03x = 20,008.18 × 3,977.44
  4. Step 4: Simplify right side
    13,338.03x = 79,581,290.41
  5. Step 5: Solve for x
    x = 79,581,290.41/13,338.03
  6. Step 6: Final answer
    x = 5,966.49

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1.5x scale

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.