Home / 18,487.27-27,709.37-7,397.13

Finding the Fourth Proportional to 18,487.27, 27,709.37 and 7,397.13

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Solution

The fourth proportional to 18,487.27, 27,709.37 and 7,397.13 is: 11,087.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,487.27 : 27,709.37 = 7,397.13 : x
  2. Step 2: Convert to fraction form
    18,487.27/27,709.37 = 7,397.13/x
  3. Step 3: Cross multiply
    18,487.27x = 27,709.37 × 7,397.13
  4. Step 4: Simplify right side
    18,487.27x = 204,969,812.11
  5. Step 5: Solve for x
    x = 204,969,812.11/18,487.27
  6. Step 6: Final answer
    x = 11,087.08

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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.