Home / 18,382.54-27,565.16-12,842.14

Finding the Fourth Proportional to 18,382.54, 27,565.16 and 12,842.14

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Solution

The fourth proportional to 18,382.54, 27,565.16 and 12,842.14 is: 19,257.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382.54 : 27,565.16 = 12,842.14 : x
  2. Step 2: Convert to fraction form
    18,382.54/27,565.16 = 12,842.14/x
  3. Step 3: Cross multiply
    18,382.54x = 27,565.16 × 12,842.14
  4. Step 4: Simplify right side
    18,382.54x = 353,995,643.84
  5. Step 5: Solve for x
    x = 353,995,643.84/18,382.54
  6. Step 6: Final answer
    x = 19,257.17

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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.