Home / 11,408.09-15,741.61-6,371.67

Finding the Fourth Proportional to 11,408.09, 15,741.61 and 6,371.67

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Solution

The fourth proportional to 11,408.09, 15,741.61 and 6,371.67 is: 8,792.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,408.09 : 15,741.61 = 6,371.67 : x
  2. Step 2: Convert to fraction form
    11,408.09/15,741.61 = 6,371.67/x
  3. Step 3: Cross multiply
    11,408.09x = 15,741.61 × 6,371.67
  4. Step 4: Simplify right side
    11,408.09x = 100,300,387.29
  5. Step 5: Solve for x
    x = 100,300,387.29/11,408.09
  6. Step 6: Final answer
    x = 8,792.04

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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.