Home / 18,280.36-27,422.62-8,913.68

Finding the Fourth Proportional to 18,280.36, 27,422.62 and 8,913.68

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Solution

The fourth proportional to 18,280.36, 27,422.62 and 8,913.68 is: 13,371.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.36 : 27,422.62 = 8,913.68 : x
  2. Step 2: Convert to fraction form
    18,280.36/27,422.62 = 8,913.68/x
  3. Step 3: Cross multiply
    18,280.36x = 27,422.62 × 8,913.68
  4. Step 4: Simplify right side
    18,280.36x = 244,436,459.44
  5. Step 5: Solve for x
    x = 244,436,459.44/18,280.36
  6. Step 6: Final answer
    x = 13,371.53

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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.