Home / 11,124.14-15,353.03-6,344.09

Finding the Fourth Proportional to 11,124.14, 15,353.03 and 6,344.09

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Solution

The fourth proportional to 11,124.14, 15,353.03 and 6,344.09 is: 8,755.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124.14 : 15,353.03 = 6,344.09 : x
  2. Step 2: Convert to fraction form
    11,124.14/15,353.03 = 6,344.09/x
  3. Step 3: Cross multiply
    11,124.14x = 15,353.03 × 6,344.09
  4. Step 4: Simplify right side
    11,124.14x = 97,401,019.95
  5. Step 5: Solve for x
    x = 97,401,019.95/11,124.14
  6. Step 6: Final answer
    x = 8,755.83

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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.