Home / 12,452.83-18,679.37-3,569.20

Finding the Fourth Proportional to 12,452.83, 18,679.37 and 3,569.20

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Solution

The fourth proportional to 12,452.83, 18,679.37 and 3,569.20 is: 5,353.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452.83 : 18,679.37 = 3,569.20 : x
  2. Step 2: Convert to fraction form
    12,452.83/18,679.37 = 3,569.20/x
  3. Step 3: Cross multiply
    12,452.83x = 18,679.37 × 3,569.20
  4. Step 4: Simplify right side
    12,452.83x = 66,670,342.86
  5. Step 5: Solve for x
    x = 66,670,342.86/12,452.83
  6. Step 6: Final answer
    x = 5,353.83

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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.