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Finding the Fourth Proportional to 10,654.36, 14,703.10 and 5,938.94

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Solution

The fourth proportional to 10,654.36, 14,703.10 and 5,938.94 is: 8,195.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,654.36 : 14,703.10 = 5,938.94 : x
  2. Step 2: Convert to fraction form
    10,654.36/14,703.10 = 5,938.94/x
  3. Step 3: Cross multiply
    10,654.36x = 14,703.10 × 5,938.94
  4. Step 4: Simplify right side
    10,654.36x = 87,320,850.62
  5. Step 5: Solve for x
    x = 87,320,850.62/10,654.36
  6. Step 6: Final answer
    x = 8,195.79

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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.