Home / 18,197.76-27,295.40-7,102.38

Finding the Fourth Proportional to 18,197.76, 27,295.40 and 7,102.38

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Solution

The fourth proportional to 18,197.76, 27,295.40 and 7,102.38 is: 10,653.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,197.76 : 27,295.40 = 7,102.38 : x
  2. Step 2: Convert to fraction form
    18,197.76/27,295.40 = 7,102.38/x
  3. Step 3: Cross multiply
    18,197.76x = 27,295.40 × 7,102.38
  4. Step 4: Simplify right side
    18,197.76x = 193,862,303.05
  5. Step 5: Solve for x
    x = 193,862,303.05/18,197.76
  6. Step 6: Final answer
    x = 10,653.09

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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.