Home / 18,113.56-27,172.55-5,634.25

Finding the Fourth Proportional to 18,113.56, 27,172.55 and 5,634.25

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Solution

The fourth proportional to 18,113.56, 27,172.55 and 5,634.25 is: 8,452.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,113.56 : 27,172.55 = 5,634.25 : x
  2. Step 2: Convert to fraction form
    18,113.56/27,172.55 = 5,634.25/x
  3. Step 3: Cross multiply
    18,113.56x = 27,172.55 × 5,634.25
  4. Step 4: Simplify right side
    18,113.56x = 153,096,939.84
  5. Step 5: Solve for x
    x = 153,096,939.84/18,113.56
  6. Step 6: Final answer
    x = 8,452.06

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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.