Home / 11,856.30-17,784.81-4,065

Finding the Fourth Proportional to 11,856.30, 17,784.81 and 4,065

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Solution

The fourth proportional to 11,856.30, 17,784.81 and 4,065 is: 6,097.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,856.30 : 17,784.81 = 4,065 : x
  2. Step 2: Convert to fraction form
    11,856.30/17,784.81 = 4,065/x
  3. Step 3: Cross multiply
    11,856.30x = 17,784.81 × 4,065
  4. Step 4: Simplify right side
    11,856.30x = 72,295,252.65
  5. Step 5: Solve for x
    x = 72,295,252.65/11,856.30
  6. Step 6: Final answer
    x = 6,097.62

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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.