Home / 11,927.20-16,467.56-10,664.23

Finding the Fourth Proportional to 11,927.20, 16,467.56 and 10,664.23

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Solution

The fourth proportional to 11,927.20, 16,467.56 and 10,664.23 is: 14,723.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.20 : 16,467.56 = 10,664.23 : x
  2. Step 2: Convert to fraction form
    11,927.20/16,467.56 = 10,664.23/x
  3. Step 3: Cross multiply
    11,927.20x = 16,467.56 × 10,664.23
  4. Step 4: Simplify right side
    11,927.20x = 175,613,847.38
  5. Step 5: Solve for x
    x = 175,613,847.38/11,927.20
  6. Step 6: Final answer
    x = 14,723.81

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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.