Home / 11,664.40-17,477.10-8,195.44

Finding the Fourth Proportional to 11,664.40, 17,477.10 and 8,195.44

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Solution

The fourth proportional to 11,664.40, 17,477.10 and 8,195.44 is: 12,279.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,664.40 : 17,477.10 = 8,195.44 : x
  2. Step 2: Convert to fraction form
    11,664.40/17,477.10 = 8,195.44/x
  3. Step 3: Cross multiply
    11,664.40x = 17,477.10 × 8,195.44
  4. Step 4: Simplify right side
    11,664.40x = 143,232,524.42
  5. Step 5: Solve for x
    x = 143,232,524.42/11,664.40
  6. Step 6: Final answer
    x = 12,279.46

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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.