Home / 12,022.29-18,036.18-4,231.17

Finding the Fourth Proportional to 12,022.29, 18,036.18 and 4,231.17

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Solution

The fourth proportional to 12,022.29, 18,036.18 and 4,231.17 is: 6,347.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,022.29 : 18,036.18 = 4,231.17 : x
  2. Step 2: Convert to fraction form
    12,022.29/18,036.18 = 4,231.17/x
  3. Step 3: Cross multiply
    12,022.29x = 18,036.18 × 4,231.17
  4. Step 4: Simplify right side
    12,022.29x = 76,314,143.73
  5. Step 5: Solve for x
    x = 76,314,143.73/12,022.29
  6. Step 6: Final answer
    x = 6,347.72

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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.