Home / 18,140.96-27,186.84-16,320.26

Finding the Fourth Proportional to 18,140.96, 27,186.84 and 16,320.26

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Solution

The fourth proportional to 18,140.96, 27,186.84 and 16,320.26 is: 24,458.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140.96 : 27,186.84 = 16,320.26 : x
  2. Step 2: Convert to fraction form
    18,140.96/27,186.84 = 16,320.26/x
  3. Step 3: Cross multiply
    18,140.96x = 27,186.84 × 16,320.26
  4. Step 4: Simplify right side
    18,140.96x = 443,696,297.38
  5. Step 5: Solve for x
    x = 443,696,297.38/18,140.96
  6. Step 6: Final answer
    x = 24,458.26

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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.