Home / 12,452.58-18,680.67-3,686.34

Finding the Fourth Proportional to 12,452.58, 18,680.67 and 3,686.34

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Solution

The fourth proportional to 12,452.58, 18,680.67 and 3,686.34 is: 5,530.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452.58 : 18,680.67 = 3,686.34 : x
  2. Step 2: Convert to fraction form
    12,452.58/18,680.67 = 3,686.34/x
  3. Step 3: Cross multiply
    12,452.58x = 18,680.67 × 3,686.34
  4. Step 4: Simplify right side
    12,452.58x = 68,863,301.05
  5. Step 5: Solve for x
    x = 68,863,301.05/12,452.58
  6. Step 6: Final answer
    x = 5,530.04

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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.