Home / 11,167.70-16,751.55-4,242.20

Finding the Fourth Proportional to 11,167.70, 16,751.55 and 4,242.20

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Solution

The fourth proportional to 11,167.70, 16,751.55 and 4,242.20 is: 6,363.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167.70 : 16,751.55 = 4,242.20 : x
  2. Step 2: Convert to fraction form
    11,167.70/16,751.55 = 4,242.20/x
  3. Step 3: Cross multiply
    11,167.70x = 16,751.55 × 4,242.20
  4. Step 4: Simplify right side
    11,167.70x = 71,063,425.41
  5. Step 5: Solve for x
    x = 71,063,425.41/11,167.70
  6. Step 6: Final answer
    x = 6,363.30

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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.