Home / 12,308.76-18,451.62-6,825.24

Finding the Fourth Proportional to 12,308.76, 18,451.62 and 6,825.24

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Solution

The fourth proportional to 12,308.76, 18,451.62 and 6,825.24 is: 10,231.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308.76 : 18,451.62 = 6,825.24 : x
  2. Step 2: Convert to fraction form
    12,308.76/18,451.62 = 6,825.24/x
  3. Step 3: Cross multiply
    12,308.76x = 18,451.62 × 6,825.24
  4. Step 4: Simplify right side
    12,308.76x = 125,936,734.89
  5. Step 5: Solve for x
    x = 125,936,734.89/12,308.76
  6. Step 6: Final answer
    x = 10,231.47

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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.