Home / 11,214.34-16,823.31-3,422.50

Finding the Fourth Proportional to 11,214.34, 16,823.31 and 3,422.50

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Solution

The fourth proportional to 11,214.34, 16,823.31 and 3,422.50 is: 5,134.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.34 : 16,823.31 = 3,422.50 : x
  2. Step 2: Convert to fraction form
    11,214.34/16,823.31 = 3,422.50/x
  3. Step 3: Cross multiply
    11,214.34x = 16,823.31 × 3,422.50
  4. Step 4: Simplify right side
    11,214.34x = 57,577,778.48
  5. Step 5: Solve for x
    x = 57,577,778.48/11,214.34
  6. Step 6: Final answer
    x = 5,134.30

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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.