Home / 11,623.12-16,039.92-6,317.68

Finding the Fourth Proportional to 11,623.12, 16,039.92 and 6,317.68

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Solution

The fourth proportional to 11,623.12, 16,039.92 and 6,317.68 is: 8,718.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,623.12 : 16,039.92 = 6,317.68 : x
  2. Step 2: Convert to fraction form
    11,623.12/16,039.92 = 6,317.68/x
  3. Step 3: Cross multiply
    11,623.12x = 16,039.92 × 6,317.68
  4. Step 4: Simplify right side
    11,623.12x = 101,335,081.79
  5. Step 5: Solve for x
    x = 101,335,081.79/11,623.12
  6. Step 6: Final answer
    x = 8,718.41

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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.