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Finding the Fourth Proportional to 16,735.70, 23,092.70 and 9,660.75

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Solution

The fourth proportional to 16,735.70, 23,092.70 and 9,660.75 is: 13,330.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,735.70 : 23,092.70 = 9,660.75 : x
  2. Step 2: Convert to fraction form
    16,735.70/23,092.70 = 9,660.75/x
  3. Step 3: Cross multiply
    16,735.70x = 23,092.70 × 9,660.75
  4. Step 4: Simplify right side
    16,735.70x = 223,092,753.22
  5. Step 5: Solve for x
    x = 223,092,753.22/16,735.70
  6. Step 6: Final answer
    x = 13,330.35

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Double scale
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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.