Home / 18,117.33-27,172.31-4,968.69

Finding the Fourth Proportional to 18,117.33, 27,172.31 and 4,968.69

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Solution

The fourth proportional to 18,117.33, 27,172.31 and 4,968.69 is: 7,452.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.33 : 27,172.31 = 4,968.69 : x
  2. Step 2: Convert to fraction form
    18,117.33/27,172.31 = 4,968.69/x
  3. Step 3: Cross multiply
    18,117.33x = 27,172.31 × 4,968.69
  4. Step 4: Simplify right side
    18,117.33x = 135,010,760.13
  5. Step 5: Solve for x
    x = 135,010,760.13/18,117.33
  6. Step 6: Final answer
    x = 7,452.02

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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.