Home / 14,832.72-20,469.65-8,118.36

Finding the Fourth Proportional to 14,832.72, 20,469.65 and 8,118.36

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Solution

The fourth proportional to 14,832.72, 20,469.65 and 8,118.36 is: 11,203.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,832.72 : 20,469.65 = 8,118.36 : x
  2. Step 2: Convert to fraction form
    14,832.72/20,469.65 = 8,118.36/x
  3. Step 3: Cross multiply
    14,832.72x = 20,469.65 × 8,118.36
  4. Step 4: Simplify right side
    14,832.72x = 166,179,947.18
  5. Step 5: Solve for x
    x = 166,179,947.18/14,832.72
  6. Step 6: Final answer
    x = 11,203.61

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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.