Home / 11,618.25-17,420.22-6,937.35

Finding the Fourth Proportional to 11,618.25, 17,420.22 and 6,937.35

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Solution

The fourth proportional to 11,618.25, 17,420.22 and 6,937.35 is: 10,401.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,618.25 : 17,420.22 = 6,937.35 : x
  2. Step 2: Convert to fraction form
    11,618.25/17,420.22 = 6,937.35/x
  3. Step 3: Cross multiply
    11,618.25x = 17,420.22 × 6,937.35
  4. Step 4: Simplify right side
    11,618.25x = 120,850,163.22
  5. Step 5: Solve for x
    x = 120,850,163.22/11,618.25
  6. Step 6: Final answer
    x = 10,401.75

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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.