Home / 11,396.36-15,709.75-8,874.02

Finding the Fourth Proportional to 11,396.36, 15,709.75 and 8,874.02

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Solution

The fourth proportional to 11,396.36, 15,709.75 and 8,874.02 is: 12,232.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,396.36 : 15,709.75 = 8,874.02 : x
  2. Step 2: Convert to fraction form
    11,396.36/15,709.75 = 8,874.02/x
  3. Step 3: Cross multiply
    11,396.36x = 15,709.75 × 8,874.02
  4. Step 4: Simplify right side
    11,396.36x = 139,408,652.78
  5. Step 5: Solve for x
    x = 139,408,652.78/11,396.36
  6. Step 6: Final answer
    x = 12,232.73

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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.