Home / 9,418.73-12,998.88-6,018.87

Finding the Fourth Proportional to 9,418.73, 12,998.88 and 6,018.87

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Solution

The fourth proportional to 9,418.73, 12,998.88 and 6,018.87 is: 8,306.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.73 : 12,998.88 = 6,018.87 : x
  2. Step 2: Convert to fraction form
    9,418.73/12,998.88 = 6,018.87/x
  3. Step 3: Cross multiply
    9,418.73x = 12,998.88 × 6,018.87
  4. Step 4: Simplify right side
    9,418.73x = 78,238,568.87
  5. Step 5: Solve for x
    x = 78,238,568.87/9,418.73
  6. Step 6: Final answer
    x = 8,306.70

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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.