Home / 18,172.90-27,262.42-5,690.46

Finding the Fourth Proportional to 18,172.90, 27,262.42 and 5,690.46

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Solution

The fourth proportional to 18,172.90, 27,262.42 and 5,690.46 is: 8,536.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,172.90 : 27,262.42 = 5,690.46 : x
  2. Step 2: Convert to fraction form
    18,172.90/27,262.42 = 5,690.46/x
  3. Step 3: Cross multiply
    18,172.90x = 27,262.42 × 5,690.46
  4. Step 4: Simplify right side
    18,172.90x = 155,135,696.29
  5. Step 5: Solve for x
    x = 155,135,696.29/18,172.90
  6. Step 6: Final answer
    x = 8,536.65

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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.