Home / 13,261.20-18,297.72-7,596.24

Finding the Fourth Proportional to 13,261.20, 18,297.72 and 7,596.24

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Solution

The fourth proportional to 13,261.20, 18,297.72 and 7,596.24 is: 10,481.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.20 : 18,297.72 = 7,596.24 : x
  2. Step 2: Convert to fraction form
    13,261.20/18,297.72 = 7,596.24/x
  3. Step 3: Cross multiply
    13,261.20x = 18,297.72 × 7,596.24
  4. Step 4: Simplify right side
    13,261.20x = 138,993,872.57
  5. Step 5: Solve for x
    x = 138,993,872.57/13,261.20
  6. Step 6: Final answer
    x = 10,481.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.