Home / 18,197.55-27,280.09-7,101.66

Finding the Fourth Proportional to 18,197.55, 27,280.09 and 7,101.66

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Solution

The fourth proportional to 18,197.55, 27,280.09 and 7,101.66 is: 10,646.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,197.55 : 27,280.09 = 7,101.66 : x
  2. Step 2: Convert to fraction form
    18,197.55/27,280.09 = 7,101.66/x
  3. Step 3: Cross multiply
    18,197.55x = 27,280.09 × 7,101.66
  4. Step 4: Simplify right side
    18,197.55x = 193,733,888.44
  5. Step 5: Solve for x
    x = 193,733,888.44/18,197.55
  6. Step 6: Final answer
    x = 10,646.15

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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.