Home / 18,270.55-27,395.19-7,164.22

Finding the Fourth Proportional to 18,270.55, 27,395.19 and 7,164.22

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Solution

The fourth proportional to 18,270.55, 27,395.19 and 7,164.22 is: 10,742.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270.55 : 27,395.19 = 7,164.22 : x
  2. Step 2: Convert to fraction form
    18,270.55/27,395.19 = 7,164.22/x
  3. Step 3: Cross multiply
    18,270.55x = 27,395.19 × 7,164.22
  4. Step 4: Simplify right side
    18,270.55x = 196,265,168.10
  5. Step 5: Solve for x
    x = 196,265,168.10/18,270.55
  6. Step 6: Final answer
    x = 10,742.16

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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.