Home / 11,344.20-16,991.40-8,047.26

Finding the Fourth Proportional to 11,344.20, 16,991.40 and 8,047.26

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Solution

The fourth proportional to 11,344.20, 16,991.40 and 8,047.26 is: 12,053.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,344.20 : 16,991.40 = 8,047.26 : x
  2. Step 2: Convert to fraction form
    11,344.20/16,991.40 = 8,047.26/x
  3. Step 3: Cross multiply
    11,344.20x = 16,991.40 × 8,047.26
  4. Step 4: Simplify right side
    11,344.20x = 136,734,213.56
  5. Step 5: Solve for x
    x = 136,734,213.56/11,344.20
  6. Step 6: Final answer
    x = 12,053.23

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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.