Home / 11,287.04-16,929.47-3,890.48

Finding the Fourth Proportional to 11,287.04, 16,929.47 and 3,890.48

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Solution

The fourth proportional to 11,287.04, 16,929.47 and 3,890.48 is: 5,835.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.04 : 16,929.47 = 3,890.48 : x
  2. Step 2: Convert to fraction form
    11,287.04/16,929.47 = 3,890.48/x
  3. Step 3: Cross multiply
    11,287.04x = 16,929.47 × 3,890.48
  4. Step 4: Simplify right side
    11,287.04x = 65,863,689.52
  5. Step 5: Solve for x
    x = 65,863,689.52/11,287.04
  6. Step 6: Final answer
    x = 5,835.34

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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.