Home / 10,198.14-15,285.69-5,007.66

Finding the Fourth Proportional to 10,198.14, 15,285.69 and 5,007.66

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Solution

The fourth proportional to 10,198.14, 15,285.69 and 5,007.66 is: 7,505.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.14 : 15,285.69 = 5,007.66 : x
  2. Step 2: Convert to fraction form
    10,198.14/15,285.69 = 5,007.66/x
  3. Step 3: Cross multiply
    10,198.14x = 15,285.69 × 5,007.66
  4. Step 4: Simplify right side
    10,198.14x = 76,545,538.39
  5. Step 5: Solve for x
    x = 76,545,538.39/10,198.14
  6. Step 6: Final answer
    x = 7,505.83

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1.5x scale

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.