Home / 12,539.88-18,833.26-11,039.44

Finding the Fourth Proportional to 12,539.88, 18,833.26 and 11,039.44

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Solution

The fourth proportional to 12,539.88, 18,833.26 and 11,039.44 is: 16,579.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539.88 : 18,833.26 = 11,039.44 : x
  2. Step 2: Convert to fraction form
    12,539.88/18,833.26 = 11,039.44/x
  3. Step 3: Cross multiply
    12,539.88x = 18,833.26 × 11,039.44
  4. Step 4: Simplify right side
    12,539.88x = 207,908,595.31
  5. Step 5: Solve for x
    x = 207,908,595.31/12,539.88
  6. Step 6: Final answer
    x = 16,579.79

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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.