Home / 18,634.37-27,951.55-12,773.21

Finding the Fourth Proportional to 18,634.37, 27,951.55 and 12,773.21

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Solution

The fourth proportional to 18,634.37, 27,951.55 and 12,773.21 is: 19,159.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,634.37 : 27,951.55 = 12,773.21 : x
  2. Step 2: Convert to fraction form
    18,634.37/27,951.55 = 12,773.21/x
  3. Step 3: Cross multiply
    18,634.37x = 27,951.55 × 12,773.21
  4. Step 4: Simplify right side
    18,634.37x = 357,030,846.28
  5. Step 5: Solve for x
    x = 357,030,846.28/18,634.37
  6. Step 6: Final answer
    x = 19,159.81

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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.