Home / 18,040.12-27,050.05-12,424.39

Finding the Fourth Proportional to 18,040.12, 27,050.05 and 12,424.39

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Solution

The fourth proportional to 18,040.12, 27,050.05 and 12,424.39 is: 18,629.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,040.12 : 27,050.05 = 12,424.39 : x
  2. Step 2: Convert to fraction form
    18,040.12/27,050.05 = 12,424.39/x
  3. Step 3: Cross multiply
    18,040.12x = 27,050.05 × 12,424.39
  4. Step 4: Simplify right side
    18,040.12x = 336,080,318.62
  5. Step 5: Solve for x
    x = 336,080,318.62/18,040.12
  6. Step 6: Final answer
    x = 18,629.61

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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.