Home / 19,517.46-29,280.86-6,369.86

Finding the Fourth Proportional to 19,517.46, 29,280.86 and 6,369.86

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Solution

The fourth proportional to 19,517.46, 29,280.86 and 6,369.86 is: 9,556.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517.46 : 29,280.86 = 6,369.86 : x
  2. Step 2: Convert to fraction form
    19,517.46/29,280.86 = 6,369.86/x
  3. Step 3: Cross multiply
    19,517.46x = 29,280.86 × 6,369.86
  4. Step 4: Simplify right side
    19,517.46x = 186,514,800.63
  5. Step 5: Solve for x
    x = 186,514,800.63/19,517.46
  6. Step 6: Final answer
    x = 9,556.31

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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.