Home / 11,257.30-16,853.55-10,090.90

Finding the Fourth Proportional to 11,257.30, 16,853.55 and 10,090.90

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Solution

The fourth proportional to 11,257.30, 16,853.55 and 10,090.90 is: 15,107.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.30 : 16,853.55 = 10,090.90 : x
  2. Step 2: Convert to fraction form
    11,257.30/16,853.55 = 10,090.90/x
  3. Step 3: Cross multiply
    11,257.30x = 16,853.55 × 10,090.90
  4. Step 4: Simplify right side
    11,257.30x = 170,067,487.70
  5. Step 5: Solve for x
    x = 170,067,487.70/11,257.30
  6. Step 6: Final answer
    x = 15,107.31

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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.