Home / 18,515.42-27,771.53-14,986.14

Finding the Fourth Proportional to 18,515.42, 27,771.53 and 14,986.14

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Solution

The fourth proportional to 18,515.42, 27,771.53 and 14,986.14 is: 22,477.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,515.42 : 27,771.53 = 14,986.14 : x
  2. Step 2: Convert to fraction form
    18,515.42/27,771.53 = 14,986.14/x
  3. Step 3: Cross multiply
    18,515.42x = 27,771.53 × 14,986.14
  4. Step 4: Simplify right side
    18,515.42x = 416,187,961.66
  5. Step 5: Solve for x
    x = 416,187,961.66/18,515.42
  6. Step 6: Final answer
    x = 22,477.92

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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.