Home / 18,133.12-27,201.84-6,447.52

Finding the Fourth Proportional to 18,133.12, 27,201.84 and 6,447.52

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Solution

The fourth proportional to 18,133.12, 27,201.84 and 6,447.52 is: 9,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133.12 : 27,201.84 = 6,447.52 : x
  2. Step 2: Convert to fraction form
    18,133.12/27,201.84 = 6,447.52/x
  3. Step 3: Cross multiply
    18,133.12x = 27,201.84 × 6,447.52
  4. Step 4: Simplify right side
    18,133.12x = 175,384,407.44
  5. Step 5: Solve for x
    x = 175,384,407.44/18,133.12
  6. Step 6: Final answer
    x = 9,672.05

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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.