Home / 18,239.59-25,182.53-11,871.37

Finding the Fourth Proportional to 18,239.59, 25,182.53 and 11,871.37

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Solution

The fourth proportional to 18,239.59, 25,182.53 and 11,871.37 is: 16,390.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239.59 : 25,182.53 = 11,871.37 : x
  2. Step 2: Convert to fraction form
    18,239.59/25,182.53 = 11,871.37/x
  3. Step 3: Cross multiply
    18,239.59x = 25,182.53 × 11,871.37
  4. Step 4: Simplify right side
    18,239.59x = 298,951,131.17
  5. Step 5: Solve for x
    x = 298,951,131.17/18,239.59
  6. Step 6: Final answer
    x = 16,390.23

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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.