Home / 8,998.35-12,418.68-5,020.84

Finding the Fourth Proportional to 8,998.35, 12,418.68 and 5,020.84

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Solution

The fourth proportional to 8,998.35, 12,418.68 and 5,020.84 is: 6,929.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.35 : 12,418.68 = 5,020.84 : x
  2. Step 2: Convert to fraction form
    8,998.35/12,418.68 = 5,020.84/x
  3. Step 3: Cross multiply
    8,998.35x = 12,418.68 × 5,020.84
  4. Step 4: Simplify right side
    8,998.35x = 62,352,205.29
  5. Step 5: Solve for x
    x = 62,352,205.29/8,998.35
  6. Step 6: Final answer
    x = 6,929.30

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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.