Home / 18,272.94-25,216.79-10,719.39

Finding the Fourth Proportional to 18,272.94, 25,216.79 and 10,719.39

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Solution

The fourth proportional to 18,272.94, 25,216.79 and 10,719.39 is: 14,792.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,272.94 : 25,216.79 = 10,719.39 : x
  2. Step 2: Convert to fraction form
    18,272.94/25,216.79 = 10,719.39/x
  3. Step 3: Cross multiply
    18,272.94x = 25,216.79 × 10,719.39
  4. Step 4: Simplify right side
    18,272.94x = 270,308,606.56
  5. Step 5: Solve for x
    x = 270,308,606.56/18,272.94
  6. Step 6: Final answer
    x = 14,792.84

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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.