Home / 18,284.48-27,422.64-5,136.56

Finding the Fourth Proportional to 18,284.48, 27,422.64 and 5,136.56

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Solution

The fourth proportional to 18,284.48, 27,422.64 and 5,136.56 is: 7,703.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,284.48 : 27,422.64 = 5,136.56 : x
  2. Step 2: Convert to fraction form
    18,284.48/27,422.64 = 5,136.56/x
  3. Step 3: Cross multiply
    18,284.48x = 27,422.64 × 5,136.56
  4. Step 4: Simplify right side
    18,284.48x = 140,858,035.72
  5. Step 5: Solve for x
    x = 140,858,035.72/18,284.48
  6. Step 6: Final answer
    x = 7,703.69

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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.