Home / 11,093.36-15,312.38-6,380.80

Finding the Fourth Proportional to 11,093.36, 15,312.38 and 6,380.80

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Solution

The fourth proportional to 11,093.36, 15,312.38 and 6,380.80 is: 8,807.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,093.36 : 15,312.38 = 6,380.80 : x
  2. Step 2: Convert to fraction form
    11,093.36/15,312.38 = 6,380.80/x
  3. Step 3: Cross multiply
    11,093.36x = 15,312.38 × 6,380.80
  4. Step 4: Simplify right side
    11,093.36x = 97,705,234.30
  5. Step 5: Solve for x
    x = 97,705,234.30/11,093.36
  6. Step 6: Final answer
    x = 8,807.54

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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.