Home / 11,255.90-16,892.28-4,242.83

Finding the Fourth Proportional to 11,255.90, 16,892.28 and 4,242.83

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Solution

The fourth proportional to 11,255.90, 16,892.28 and 4,242.83 is: 6,367.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.90 : 16,892.28 = 4,242.83 : x
  2. Step 2: Convert to fraction form
    11,255.90/16,892.28 = 4,242.83/x
  3. Step 3: Cross multiply
    11,255.90x = 16,892.28 × 4,242.83
  4. Step 4: Simplify right side
    11,255.90x = 71,671,072.35
  5. Step 5: Solve for x
    x = 71,671,072.35/11,255.90
  6. Step 6: Final answer
    x = 6,367.42

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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.