Home / 18,135.12-27,204.84-6,449.52

Finding the Fourth Proportional to 18,135.12, 27,204.84 and 6,449.52

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Solution

The fourth proportional to 18,135.12, 27,204.84 and 6,449.52 is: 9,675.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,135.12 : 27,204.84 = 6,449.52 : x
  2. Step 2: Convert to fraction form
    18,135.12/27,204.84 = 6,449.52/x
  3. Step 3: Cross multiply
    18,135.12x = 27,204.84 × 6,449.52
  4. Step 4: Simplify right side
    18,135.12x = 175,458,159.68
  5. Step 5: Solve for x
    x = 175,458,159.68/18,135.12
  6. Step 6: Final answer
    x = 9,675.05

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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.