Home / 11,623.15-16,039.50-6,317.85

Finding the Fourth Proportional to 11,623.15, 16,039.50 and 6,317.85

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Solution

The fourth proportional to 11,623.15, 16,039.50 and 6,317.85 is: 8,718.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,623.15 : 16,039.50 = 6,317.85 : x
  2. Step 2: Convert to fraction form
    11,623.15/16,039.50 = 6,317.85/x
  3. Step 3: Cross multiply
    11,623.15x = 16,039.50 × 6,317.85
  4. Step 4: Simplify right side
    11,623.15x = 101,335,155.08
  5. Step 5: Solve for x
    x = 101,335,155.08/11,623.15
  6. Step 6: Final answer
    x = 8,718.39

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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.