Home / 11,237.22-16,857.65-4,217.78

Finding the Fourth Proportional to 11,237.22, 16,857.65 and 4,217.78

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Solution

The fourth proportional to 11,237.22, 16,857.65 and 4,217.78 is: 6,327.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.22 : 16,857.65 = 4,217.78 : x
  2. Step 2: Convert to fraction form
    11,237.22/16,857.65 = 4,217.78/x
  3. Step 3: Cross multiply
    11,237.22x = 16,857.65 × 4,217.78
  4. Step 4: Simplify right side
    11,237.22x = 71,101,911.71
  5. Step 5: Solve for x
    x = 71,101,911.71/11,237.22
  6. Step 6: Final answer
    x = 6,327.36

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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.