Home / 13,726.58-18,956.12-11,725.47

Finding the Fourth Proportional to 13,726.58, 18,956.12 and 11,725.47

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Solution

The fourth proportional to 13,726.58, 18,956.12 and 11,725.47 is: 16,192.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726.58 : 18,956.12 = 11,725.47 : x
  2. Step 2: Convert to fraction form
    13,726.58/18,956.12 = 11,725.47/x
  3. Step 3: Cross multiply
    13,726.58x = 18,956.12 × 11,725.47
  4. Step 4: Simplify right side
    13,726.58x = 222,269,357.75
  5. Step 5: Solve for x
    x = 222,269,357.75/13,726.58
  6. Step 6: Final answer
    x = 16,192.63

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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.