Home / 11,622.93-16,039.31-6,317.61

Finding the Fourth Proportional to 11,622.93, 16,039.31 and 6,317.61

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Solution

The fourth proportional to 11,622.93, 16,039.31 and 6,317.61 is: 8,718.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.93 : 16,039.31 = 6,317.61 : x
  2. Step 2: Convert to fraction form
    11,622.93/16,039.31 = 6,317.61/x
  3. Step 3: Cross multiply
    11,622.93x = 16,039.31 × 6,317.61
  4. Step 4: Simplify right side
    11,622.93x = 101,330,073.66
  5. Step 5: Solve for x
    x = 101,330,073.66/11,622.93
  6. Step 6: Final answer
    x = 8,718.12

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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.