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Finding the Fourth Proportional to 14,573.92, 20,110.38 and 8,199.28

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Solution

The fourth proportional to 14,573.92, 20,110.38 and 8,199.28 is: 11,314.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,573.92 : 20,110.38 = 8,199.28 : x
  2. Step 2: Convert to fraction form
    14,573.92/20,110.38 = 8,199.28/x
  3. Step 3: Cross multiply
    14,573.92x = 20,110.38 × 8,199.28
  4. Step 4: Simplify right side
    14,573.92x = 164,890,636.53
  5. Step 5: Solve for x
    x = 164,890,636.53/14,573.92
  6. Step 6: Final answer
    x = 11,314.09

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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.