Home / 11,820.36-17,717.94-6,270.24

Finding the Fourth Proportional to 11,820.36, 17,717.94 and 6,270.24

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Solution

The fourth proportional to 11,820.36, 17,717.94 and 6,270.24 is: 9,398.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,820.36 : 17,717.94 = 6,270.24 : x
  2. Step 2: Convert to fraction form
    11,820.36/17,717.94 = 6,270.24/x
  3. Step 3: Cross multiply
    11,820.36x = 17,717.94 × 6,270.24
  4. Step 4: Simplify right side
    11,820.36x = 111,095,736.11
  5. Step 5: Solve for x
    x = 111,095,736.11/11,820.36
  6. Step 6: Final answer
    x = 9,398.68

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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.