Home / 11,622.80-16,039.27-6,317.71

Finding the Fourth Proportional to 11,622.80, 16,039.27 and 6,317.71

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Solution

The fourth proportional to 11,622.80, 16,039.27 and 6,317.71 is: 8,718.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.80 : 16,039.27 = 6,317.71 : x
  2. Step 2: Convert to fraction form
    11,622.80/16,039.27 = 6,317.71/x
  3. Step 3: Cross multiply
    11,622.80x = 16,039.27 × 6,317.71
  4. Step 4: Simplify right side
    11,622.80x = 101,331,456.47
  5. Step 5: Solve for x
    x = 101,331,456.47/11,622.80
  6. Step 6: Final answer
    x = 8,718.33

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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.