Home / 18,998.33-28,498.08-6,518.18

Finding the Fourth Proportional to 18,998.33, 28,498.08 and 6,518.18

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Solution

The fourth proportional to 18,998.33, 28,498.08 and 6,518.18 is: 9,777.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,998.33 : 28,498.08 = 6,518.18 : x
  2. Step 2: Convert to fraction form
    18,998.33/28,498.08 = 6,518.18/x
  3. Step 3: Cross multiply
    18,998.33x = 28,498.08 × 6,518.18
  4. Step 4: Simplify right side
    18,998.33x = 185,755,624.88
  5. Step 5: Solve for x
    x = 185,755,624.88/18,998.33
  6. Step 6: Final answer
    x = 9,777.47

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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.