Home / 11,126.20-16,667.70-10,348.60

Finding the Fourth Proportional to 11,126.20, 16,667.70 and 10,348.60

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Solution

The fourth proportional to 11,126.20, 16,667.70 and 10,348.60 is: 15,502.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.20 : 16,667.70 = 10,348.60 : x
  2. Step 2: Convert to fraction form
    11,126.20/16,667.70 = 10,348.60/x
  3. Step 3: Cross multiply
    11,126.20x = 16,667.70 × 10,348.60
  4. Step 4: Simplify right side
    11,126.20x = 172,487,360.22
  5. Step 5: Solve for x
    x = 172,487,360.22/11,126.20
  6. Step 6: Final answer
    x = 15,502.81

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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.