Home / 14,504.91-20,016.77-8,217.28

Finding the Fourth Proportional to 14,504.91, 20,016.77 and 8,217.28

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Solution

The fourth proportional to 14,504.91, 20,016.77 and 8,217.28 is: 11,339.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,504.91 : 20,016.77 = 8,217.28 : x
  2. Step 2: Convert to fraction form
    14,504.91/20,016.77 = 8,217.28/x
  3. Step 3: Cross multiply
    14,504.91x = 20,016.77 × 8,217.28
  4. Step 4: Simplify right side
    14,504.91x = 164,483,433.94
  5. Step 5: Solve for x
    x = 164,483,433.94/14,504.91
  6. Step 6: Final answer
    x = 11,339.85

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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.