Home / 13,767.66-20,651.47-3,907.04

Finding the Fourth Proportional to 13,767.66, 20,651.47 and 3,907.04

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Solution

The fourth proportional to 13,767.66, 20,651.47 and 3,907.04 is: 5,860.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767.66 : 20,651.47 = 3,907.04 : x
  2. Step 2: Convert to fraction form
    13,767.66/20,651.47 = 3,907.04/x
  3. Step 3: Cross multiply
    13,767.66x = 20,651.47 × 3,907.04
  4. Step 4: Simplify right side
    13,767.66x = 80,686,006.32
  5. Step 5: Solve for x
    x = 80,686,006.32/13,767.66
  6. Step 6: Final answer
    x = 5,860.55

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Similar ratio
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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.