Home / 9,418.07-12,998.73-6,231.43

Finding the Fourth Proportional to 9,418.07, 12,998.73 and 6,231.43

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Solution

The fourth proportional to 9,418.07, 12,998.73 and 6,231.43 is: 8,600.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.07 : 12,998.73 = 6,231.43 : x
  2. Step 2: Convert to fraction form
    9,418.07/12,998.73 = 6,231.43/x
  3. Step 3: Cross multiply
    9,418.07x = 12,998.73 × 6,231.43
  4. Step 4: Simplify right side
    9,418.07x = 81,000,676.08
  5. Step 5: Solve for x
    x = 81,000,676.08/9,418.07
  6. Step 6: Final answer
    x = 8,600.56

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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.