Home / 11,173.43-15,419.50-6,138.11

Finding the Fourth Proportional to 11,173.43, 15,419.50 and 6,138.11

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Solution

The fourth proportional to 11,173.43, 15,419.50 and 6,138.11 is: 8,470.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.43 : 15,419.50 = 6,138.11 : x
  2. Step 2: Convert to fraction form
    11,173.43/15,419.50 = 6,138.11/x
  3. Step 3: Cross multiply
    11,173.43x = 15,419.50 × 6,138.11
  4. Step 4: Simplify right side
    11,173.43x = 94,646,610.35
  5. Step 5: Solve for x
    x = 94,646,610.35/11,173.43
  6. Step 6: Final answer
    x = 8,470.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.