Home / 18,180.24-27,257.64-7,077.60

Finding the Fourth Proportional to 18,180.24, 27,257.64 and 7,077.60

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Solution

The fourth proportional to 18,180.24, 27,257.64 and 7,077.60 is: 10,611.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.24 : 27,257.64 = 7,077.60 : x
  2. Step 2: Convert to fraction form
    18,180.24/27,257.64 = 7,077.60/x
  3. Step 3: Cross multiply
    18,180.24x = 27,257.64 × 7,077.60
  4. Step 4: Simplify right side
    18,180.24x = 192,918,672.86
  5. Step 5: Solve for x
    x = 192,918,672.86/18,180.24
  6. Step 6: Final answer
    x = 10,611.45

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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.