Home / 11,257.20-15,539.31-10,076.22

Finding the Fourth Proportional to 11,257.20, 15,539.31 and 10,076.22

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Solution

The fourth proportional to 11,257.20, 15,539.31 and 10,076.22 is: 13,909.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.20 : 15,539.31 = 10,076.22 : x
  2. Step 2: Convert to fraction form
    11,257.20/15,539.31 = 10,076.22/x
  3. Step 3: Cross multiply
    11,257.20x = 15,539.31 × 10,076.22
  4. Step 4: Simplify right side
    11,257.20x = 156,577,506.21
  5. Step 5: Solve for x
    x = 156,577,506.21/11,257.20
  6. Step 6: Final answer
    x = 13,909.10

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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.