Home / 11,479.04-17,221.08-4,553.36

Finding the Fourth Proportional to 11,479.04, 17,221.08 and 4,553.36

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Solution

The fourth proportional to 11,479.04, 17,221.08 and 4,553.36 is: 6,831.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.04 : 17,221.08 = 4,553.36 : x
  2. Step 2: Convert to fraction form
    11,479.04/17,221.08 = 4,553.36/x
  3. Step 3: Cross multiply
    11,479.04x = 17,221.08 × 4,553.36
  4. Step 4: Simplify right side
    11,479.04x = 78,413,776.83
  5. Step 5: Solve for x
    x = 78,413,776.83/11,479.04
  6. Step 6: Final answer
    x = 6,831.04

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1.5x scale

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.