Home / 11,623.36-16,040.55-6,318.54

Finding the Fourth Proportional to 11,623.36, 16,040.55 and 6,318.54

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Solution

The fourth proportional to 11,623.36, 16,040.55 and 6,318.54 is: 8,719.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,623.36 : 16,040.55 = 6,318.54 : x
  2. Step 2: Convert to fraction form
    11,623.36/16,040.55 = 6,318.54/x
  3. Step 3: Cross multiply
    11,623.36x = 16,040.55 × 6,318.54
  4. Step 4: Simplify right side
    11,623.36x = 101,352,856.80
  5. Step 5: Solve for x
    x = 101,352,856.80/11,623.36
  6. Step 6: Final answer
    x = 8,719.76

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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.