Home / 10,198.15-14,073.38-5,721.89

Finding the Fourth Proportional to 10,198.15, 14,073.38 and 5,721.89

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Solution

The fourth proportional to 10,198.15, 14,073.38 and 5,721.89 is: 7,896.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.15 : 14,073.38 = 5,721.89 : x
  2. Step 2: Convert to fraction form
    10,198.15/14,073.38 = 5,721.89/x
  3. Step 3: Cross multiply
    10,198.15x = 14,073.38 × 5,721.89
  4. Step 4: Simplify right side
    10,198.15x = 80,526,358.07
  5. Step 5: Solve for x
    x = 80,526,358.07/10,198.15
  6. Step 6: Final answer
    x = 7,896.17

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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.