Home / 14,661.54-20,231.73-8,288.69

Finding the Fourth Proportional to 14,661.54, 20,231.73 and 8,288.69

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Solution

The fourth proportional to 14,661.54, 20,231.73 and 8,288.69 is: 11,437.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,661.54 : 20,231.73 = 8,288.69 : x
  2. Step 2: Convert to fraction form
    14,661.54/20,231.73 = 8,288.69/x
  3. Step 3: Cross multiply
    14,661.54x = 20,231.73 × 8,288.69
  4. Step 4: Simplify right side
    14,661.54x = 167,694,436.98
  5. Step 5: Solve for x
    x = 167,694,436.98/14,661.54
  6. Step 6: Final answer
    x = 11,437.71

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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.