Home / 11,408.85-17,118.19-6,137.67

Finding the Fourth Proportional to 11,408.85, 17,118.19 and 6,137.67

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Solution

The fourth proportional to 11,408.85, 17,118.19 and 6,137.67 is: 9,209.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,408.85 : 17,118.19 = 6,137.67 : x
  2. Step 2: Convert to fraction form
    11,408.85/17,118.19 = 6,137.67/x
  3. Step 3: Cross multiply
    11,408.85x = 17,118.19 × 6,137.67
  4. Step 4: Simplify right side
    11,408.85x = 105,065,838.56
  5. Step 5: Solve for x
    x = 105,065,838.56/11,408.85
  6. Step 6: Final answer
    x = 9,209.15

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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.