Home / 12,057.66-18,087.30-3,291.84

Finding the Fourth Proportional to 12,057.66, 18,087.30 and 3,291.84

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Solution

The fourth proportional to 12,057.66, 18,087.30 and 3,291.84 is: 4,937.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,057.66 : 18,087.30 = 3,291.84 : x
  2. Step 2: Convert to fraction form
    12,057.66/18,087.30 = 3,291.84/x
  3. Step 3: Cross multiply
    12,057.66x = 18,087.30 × 3,291.84
  4. Step 4: Simplify right side
    12,057.66x = 59,540,497.63
  5. Step 5: Solve for x
    x = 59,540,497.63/12,057.66
  6. Step 6: Final answer
    x = 4,937.98

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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.