Home / 18,610.08-27,915.39-5,462.70

Finding the Fourth Proportional to 18,610.08, 27,915.39 and 5,462.70

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Solution

The fourth proportional to 18,610.08, 27,915.39 and 5,462.70 is: 8,194.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,610.08 : 27,915.39 = 5,462.70 : x
  2. Step 2: Convert to fraction form
    18,610.08/27,915.39 = 5,462.70/x
  3. Step 3: Cross multiply
    18,610.08x = 27,915.39 × 5,462.70
  4. Step 4: Simplify right side
    18,610.08x = 152,493,400.95
  5. Step 5: Solve for x
    x = 152,493,400.95/18,610.08
  6. Step 6: Final answer
    x = 8,194.13

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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.