Home / 11,341.67-15,647.36-6,863.79

Finding the Fourth Proportional to 11,341.67, 15,647.36 and 6,863.79

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Solution

The fourth proportional to 11,341.67, 15,647.36 and 6,863.79 is: 9,469.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,341.67 : 15,647.36 = 6,863.79 : x
  2. Step 2: Convert to fraction form
    11,341.67/15,647.36 = 6,863.79/x
  3. Step 3: Cross multiply
    11,341.67x = 15,647.36 × 6,863.79
  4. Step 4: Simplify right side
    11,341.67x = 107,400,136.82
  5. Step 5: Solve for x
    x = 107,400,136.82/11,341.67
  6. Step 6: Final answer
    x = 9,469.52

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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.