Home / 19,600.78-29,405.58-6,452.68

Finding the Fourth Proportional to 19,600.78, 29,405.58 and 6,452.68

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Solution

The fourth proportional to 19,600.78, 29,405.58 and 6,452.68 is: 9,680.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,600.78 : 29,405.58 = 6,452.68 : x
  2. Step 2: Convert to fraction form
    19,600.78/29,405.58 = 6,452.68/x
  3. Step 3: Cross multiply
    19,600.78x = 29,405.58 × 6,452.68
  4. Step 4: Simplify right side
    19,600.78x = 189,744,797.95
  5. Step 5: Solve for x
    x = 189,744,797.95/19,600.78
  6. Step 6: Final answer
    x = 9,680.47

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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.