Home / 11,841.07-17,738.81-7,400.47

Finding the Fourth Proportional to 11,841.07, 17,738.81 and 7,400.47

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Solution

The fourth proportional to 11,841.07, 17,738.81 and 7,400.47 is: 11,086.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,841.07 : 17,738.81 = 7,400.47 : x
  2. Step 2: Convert to fraction form
    11,841.07/17,738.81 = 7,400.47/x
  3. Step 3: Cross multiply
    11,841.07x = 17,738.81 × 7,400.47
  4. Step 4: Simplify right side
    11,841.07x = 131,275,531.24
  5. Step 5: Solve for x
    x = 131,275,531.24/11,841.07
  6. Step 6: Final answer
    x = 11,086.46

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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.