Home / 13,388.67-20,064.77-5,064.21

Finding the Fourth Proportional to 13,388.67, 20,064.77 and 5,064.21

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Solution

The fourth proportional to 13,388.67, 20,064.77 and 5,064.21 is: 7,589.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388.67 : 20,064.77 = 5,064.21 : x
  2. Step 2: Convert to fraction form
    13,388.67/20,064.77 = 5,064.21/x
  3. Step 3: Cross multiply
    13,388.67x = 20,064.77 × 5,064.21
  4. Step 4: Simplify right side
    13,388.67x = 101,612,202.55
  5. Step 5: Solve for x
    x = 101,612,202.55/13,388.67
  6. Step 6: Final answer
    x = 7,589.42

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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.