Home / 12,943.88-17,867.32-11,367.32

Finding the Fourth Proportional to 12,943.88, 17,867.32 and 11,367.32

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Solution

The fourth proportional to 12,943.88, 17,867.32 and 11,367.32 is: 15,691.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,943.88 : 17,867.32 = 11,367.32 : x
  2. Step 2: Convert to fraction form
    12,943.88/17,867.32 = 11,367.32/x
  3. Step 3: Cross multiply
    12,943.88x = 17,867.32 × 11,367.32
  4. Step 4: Simplify right side
    12,943.88x = 203,103,490.75
  5. Step 5: Solve for x
    x = 203,103,490.75/12,943.88
  6. Step 6: Final answer
    x = 15,691.08

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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.