Home / 18,172.34-27,253.24-7,076.55

Finding the Fourth Proportional to 18,172.34, 27,253.24 and 7,076.55

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Solution

The fourth proportional to 18,172.34, 27,253.24 and 7,076.55 is: 10,612.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,172.34 : 27,253.24 = 7,076.55 : x
  2. Step 2: Convert to fraction form
    18,172.34/27,253.24 = 7,076.55/x
  3. Step 3: Cross multiply
    18,172.34x = 27,253.24 × 7,076.55
  4. Step 4: Simplify right side
    18,172.34x = 192,858,897.83
  5. Step 5: Solve for x
    x = 192,858,897.83/18,172.34
  6. Step 6: Final answer
    x = 10,612.77

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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.