Home / 18,716.68-25,817.22-11,995.36

Finding the Fourth Proportional to 18,716.68, 25,817.22 and 11,995.36

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Solution

The fourth proportional to 18,716.68, 25,817.22 and 11,995.36 is: 16,546.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716.68 : 25,817.22 = 11,995.36 : x
  2. Step 2: Convert to fraction form
    18,716.68/25,817.22 = 11,995.36/x
  3. Step 3: Cross multiply
    18,716.68x = 25,817.22 × 11,995.36
  4. Step 4: Simplify right side
    18,716.68x = 309,686,848.10
  5. Step 5: Solve for x
    x = 309,686,848.10/18,716.68
  6. Step 6: Final answer
    x = 16,546.04

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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.