Home / 14,578.24-20,112.92-8,203.54

Finding the Fourth Proportional to 14,578.24, 20,112.92 and 8,203.54

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Solution

The fourth proportional to 14,578.24, 20,112.92 and 8,203.54 is: 11,318.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,578.24 : 20,112.92 = 8,203.54 : x
  2. Step 2: Convert to fraction form
    14,578.24/20,112.92 = 8,203.54/x
  3. Step 3: Cross multiply
    14,578.24x = 20,112.92 × 8,203.54
  4. Step 4: Simplify right side
    14,578.24x = 164,997,143.74
  5. Step 5: Solve for x
    x = 164,997,143.74/14,578.24
  6. Step 6: Final answer
    x = 11,318.04

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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.