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Finding the Fourth Proportional to 14,898.92, 20,560.43 and 8,092.88

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Solution

The fourth proportional to 14,898.92, 20,560.43 and 8,092.88 is: 11,168.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,898.92 : 20,560.43 = 8,092.88 : x
  2. Step 2: Convert to fraction form
    14,898.92/20,560.43 = 8,092.88/x
  3. Step 3: Cross multiply
    14,898.92x = 20,560.43 × 8,092.88
  4. Step 4: Simplify right side
    14,898.92x = 166,393,118.36
  5. Step 5: Solve for x
    x = 166,393,118.36/14,898.92
  6. Step 6: Final answer
    x = 11,168.14

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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.