Home / 18,453.52-27,644.58-15,456.36

Finding the Fourth Proportional to 18,453.52, 27,644.58 and 15,456.36

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Solution

The fourth proportional to 18,453.52, 27,644.58 and 15,456.36 is: 23,154.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453.52 : 27,644.58 = 15,456.36 : x
  2. Step 2: Convert to fraction form
    18,453.52/27,644.58 = 15,456.36/x
  3. Step 3: Cross multiply
    18,453.52x = 27,644.58 × 15,456.36
  4. Step 4: Simplify right side
    18,453.52x = 427,284,580.53
  5. Step 5: Solve for x
    x = 427,284,580.53/18,453.52
  6. Step 6: Final answer
    x = 23,154.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.