Home / 14,986.08-22,478.94-3,891.78

Finding the Fourth Proportional to 14,986.08, 22,478.94 and 3,891.78

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Solution

The fourth proportional to 14,986.08, 22,478.94 and 3,891.78 is: 5,837.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,986.08 : 22,478.94 = 3,891.78 : x
  2. Step 2: Convert to fraction form
    14,986.08/22,478.94 = 3,891.78/x
  3. Step 3: Cross multiply
    14,986.08x = 22,478.94 × 3,891.78
  4. Step 4: Simplify right side
    14,986.08x = 87,483,089.11
  5. Step 5: Solve for x
    x = 87,483,089.11/14,986.08
  6. Step 6: Final answer
    x = 5,837.62

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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.