Home / 15,149.21-22,734.19-5,288.49

Finding the Fourth Proportional to 15,149.21, 22,734.19 and 5,288.49

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Solution

The fourth proportional to 15,149.21, 22,734.19 and 5,288.49 is: 7,936.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,149.21 : 22,734.19 = 5,288.49 : x
  2. Step 2: Convert to fraction form
    15,149.21/22,734.19 = 5,288.49/x
  3. Step 3: Cross multiply
    15,149.21x = 22,734.19 × 5,288.49
  4. Step 4: Simplify right side
    15,149.21x = 120,229,396.36
  5. Step 5: Solve for x
    x = 120,229,396.36/15,149.21
  6. Step 6: Final answer
    x = 7,936.35

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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.