Home / 12,445.05-18,681.08-11,067.24

Finding the Fourth Proportional to 12,445.05, 18,681.08 and 11,067.24

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Solution

The fourth proportional to 12,445.05, 18,681.08 and 11,067.24 is: 16,612.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,445.05 : 18,681.08 = 11,067.24 : x
  2. Step 2: Convert to fraction form
    12,445.05/18,681.08 = 11,067.24/x
  3. Step 3: Cross multiply
    12,445.05x = 18,681.08 × 11,067.24
  4. Step 4: Simplify right side
    12,445.05x = 206,747,940.48
  5. Step 5: Solve for x
    x = 206,747,940.48/12,445.05
  6. Step 6: Final answer
    x = 16,612.87

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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.