Home / 10,209.43-15,314.10-2,813.95

Finding the Fourth Proportional to 10,209.43, 15,314.10 and 2,813.95

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Solution

The fourth proportional to 10,209.43, 15,314.10 and 2,813.95 is: 4,220.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,209.43 : 15,314.10 = 2,813.95 : x
  2. Step 2: Convert to fraction form
    10,209.43/15,314.10 = 2,813.95/x
  3. Step 3: Cross multiply
    10,209.43x = 15,314.10 × 2,813.95
  4. Step 4: Simplify right side
    10,209.43x = 43,093,111.70
  5. Step 5: Solve for x
    x = 43,093,111.70/10,209.43
  6. Step 6: Final answer
    x = 4,220.91

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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.