Home / 19,376.28-26,738.46-11,418.84

Finding the Fourth Proportional to 19,376.28, 26,738.46 and 11,418.84

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Solution

The fourth proportional to 19,376.28, 26,738.46 and 11,418.84 is: 15,757.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,376.28 : 26,738.46 = 11,418.84 : x
  2. Step 2: Convert to fraction form
    19,376.28/26,738.46 = 11,418.84/x
  3. Step 3: Cross multiply
    19,376.28x = 26,738.46 × 11,418.84
  4. Step 4: Simplify right side
    19,376.28x = 305,322,196.59
  5. Step 5: Solve for x
    x = 305,322,196.59/19,376.28
  6. Step 6: Final answer
    x = 15,757.52

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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.