Home / 18,635.91-27,966.83-12,045.75

Finding the Fourth Proportional to 18,635.91, 27,966.83 and 12,045.75

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Solution

The fourth proportional to 18,635.91, 27,966.83 and 12,045.75 is: 18,077.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,635.91 : 27,966.83 = 12,045.75 : x
  2. Step 2: Convert to fraction form
    18,635.91/27,966.83 = 12,045.75/x
  3. Step 3: Cross multiply
    18,635.91x = 27,966.83 × 12,045.75
  4. Step 4: Simplify right side
    18,635.91x = 336,881,382.24
  5. Step 5: Solve for x
    x = 336,881,382.24/18,635.91
  6. Step 6: Final answer
    x = 18,077.00

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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.