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Finding the Fourth Proportional to 11,739.43, 17,504.43 and 10,435.43

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Solution

The fourth proportional to 11,739.43, 17,504.43 and 10,435.43 is: 15,560.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,739.43 : 17,504.43 = 10,435.43 : x
  2. Step 2: Convert to fraction form
    11,739.43/17,504.43 = 10,435.43/x
  3. Step 3: Cross multiply
    11,739.43x = 17,504.43 × 10,435.43
  4. Step 4: Simplify right side
    11,739.43x = 182,666,253.95
  5. Step 5: Solve for x
    x = 182,666,253.95/11,739.43
  6. Step 6: Final answer
    x = 15,560.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.