Home / 11,265.65-16,898.87-3,870.06

Finding the Fourth Proportional to 11,265.65, 16,898.87 and 3,870.06

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Solution

The fourth proportional to 11,265.65, 16,898.87 and 3,870.06 is: 5,805.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,265.65 : 16,898.87 = 3,870.06 : x
  2. Step 2: Convert to fraction form
    11,265.65/16,898.87 = 3,870.06/x
  3. Step 3: Cross multiply
    11,265.65x = 16,898.87 × 3,870.06
  4. Step 4: Simplify right side
    11,265.65x = 65,399,640.83
  5. Step 5: Solve for x
    x = 65,399,640.83/11,265.65
  6. Step 6: Final answer
    x = 5,805.23

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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.