Home / 14,550.72-20,081.76-8,264.64

Finding the Fourth Proportional to 14,550.72, 20,081.76 and 8,264.64

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Solution

The fourth proportional to 14,550.72, 20,081.76 and 8,264.64 is: 11,406.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,550.72 : 20,081.76 = 8,264.64 : x
  2. Step 2: Convert to fraction form
    14,550.72/20,081.76 = 8,264.64/x
  3. Step 3: Cross multiply
    14,550.72x = 20,081.76 × 8,264.64
  4. Step 4: Simplify right side
    14,550.72x = 165,968,516.97
  5. Step 5: Solve for x
    x = 165,968,516.97/14,550.72
  6. Step 6: Final answer
    x = 11,406.21

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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.