Home / 11,408.19-15,741.38-6,372.23

Finding the Fourth Proportional to 11,408.19, 15,741.38 and 6,372.23

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Solution

The fourth proportional to 11,408.19, 15,741.38 and 6,372.23 is: 8,792.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,408.19 : 15,741.38 = 6,372.23 : x
  2. Step 2: Convert to fraction form
    11,408.19/15,741.38 = 6,372.23/x
  3. Step 3: Cross multiply
    11,408.19x = 15,741.38 × 6,372.23
  4. Step 4: Simplify right side
    11,408.19x = 100,307,583.31
  5. Step 5: Solve for x
    x = 100,307,583.31/11,408.19
  6. Step 6: Final answer
    x = 8,792.59

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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.