Home / 10,197.10-14,072.67-5,721.15

Finding the Fourth Proportional to 10,197.10, 14,072.67 and 5,721.15

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Solution

The fourth proportional to 10,197.10, 14,072.67 and 5,721.15 is: 7,895.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,197.10 : 14,072.67 = 5,721.15 : x
  2. Step 2: Convert to fraction form
    10,197.10/14,072.67 = 5,721.15/x
  3. Step 3: Cross multiply
    10,197.10x = 14,072.67 × 5,721.15
  4. Step 4: Simplify right side
    10,197.10x = 80,511,855.97
  5. Step 5: Solve for x
    x = 80,511,855.97/10,197.10
  6. Step 6: Final answer
    x = 7,895.56

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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.