Home / 11,623.86-16,040.84-6,318.54

Finding the Fourth Proportional to 11,623.86, 16,040.84 and 6,318.54

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Solution

The fourth proportional to 11,623.86, 16,040.84 and 6,318.54 is: 8,719.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,623.86 : 16,040.84 = 6,318.54 : x
  2. Step 2: Convert to fraction form
    11,623.86/16,040.84 = 6,318.54/x
  3. Step 3: Cross multiply
    11,623.86x = 16,040.84 × 6,318.54
  4. Step 4: Simplify right side
    11,623.86x = 101,354,657.58
  5. Step 5: Solve for x
    x = 101,354,657.58/11,623.86
  6. Step 6: Final answer
    x = 8,719.54

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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.