Home / 9,989.40-14,982.78-2,594.37

Finding the Fourth Proportional to 9,989.40, 14,982.78 and 2,594.37

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Solution

The fourth proportional to 9,989.40, 14,982.78 and 2,594.37 is: 3,891.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989.40 : 14,982.78 = 2,594.37 : x
  2. Step 2: Convert to fraction form
    9,989.40/14,982.78 = 2,594.37/x
  3. Step 3: Cross multiply
    9,989.40x = 14,982.78 × 2,594.37
  4. Step 4: Simplify right side
    9,989.40x = 38,870,874.95
  5. Step 5: Solve for x
    x = 38,870,874.95/9,989.40
  6. Step 6: Final answer
    x = 3,891.21

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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.