Home / 11,314.22-16,971.32-10,381.10

Finding the Fourth Proportional to 11,314.22, 16,971.32 and 10,381.10

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Solution

The fourth proportional to 11,314.22, 16,971.32 and 10,381.10 is: 15,571.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,314.22 : 16,971.32 = 10,381.10 : x
  2. Step 2: Convert to fraction form
    11,314.22/16,971.32 = 10,381.10/x
  3. Step 3: Cross multiply
    11,314.22x = 16,971.32 × 10,381.10
  4. Step 4: Simplify right side
    11,314.22x = 176,180,911.15
  5. Step 5: Solve for x
    x = 176,180,911.15/11,314.22
  6. Step 6: Final answer
    x = 15,571.64

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Similar ratio
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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.