Home / 11,340.29-15,645.44-6,862.41

Finding the Fourth Proportional to 11,340.29, 15,645.44 and 6,862.41

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Solution

The fourth proportional to 11,340.29, 15,645.44 and 6,862.41 is: 9,467.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340.29 : 15,645.44 = 6,862.41 : x
  2. Step 2: Convert to fraction form
    11,340.29/15,645.44 = 6,862.41/x
  3. Step 3: Cross multiply
    11,340.29x = 15,645.44 × 6,862.41
  4. Step 4: Simplify right side
    11,340.29x = 107,365,389.60
  5. Step 5: Solve for x
    x = 107,365,389.60/11,340.29
  6. Step 6: Final answer
    x = 9,467.61

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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.