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Finding the Fourth Proportional to 11,539.31, 17,313.83 and 6,868.31

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Solution

The fourth proportional to 11,539.31, 17,313.83 and 6,868.31 is: 10,305.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539.31 : 17,313.83 = 6,868.31 : x
  2. Step 2: Convert to fraction form
    11,539.31/17,313.83 = 6,868.31/x
  3. Step 3: Cross multiply
    11,539.31x = 17,313.83 × 6,868.31
  4. Step 4: Simplify right side
    11,539.31x = 118,916,717.39
  5. Step 5: Solve for x
    x = 118,916,717.39/11,539.31
  6. Step 6: Final answer
    x = 10,305.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.