Home / 18,404.80-27,607.44-5,257.60

Finding the Fourth Proportional to 18,404.80, 27,607.44 and 5,257.60

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Solution

The fourth proportional to 18,404.80, 27,607.44 and 5,257.60 is: 7,886.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,404.80 : 27,607.44 = 5,257.60 : x
  2. Step 2: Convert to fraction form
    18,404.80/27,607.44 = 5,257.60/x
  3. Step 3: Cross multiply
    18,404.80x = 27,607.44 × 5,257.60
  4. Step 4: Simplify right side
    18,404.80x = 145,148,876.54
  5. Step 5: Solve for x
    x = 145,148,876.54/18,404.80
  6. Step 6: Final answer
    x = 7,886.47

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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.