Home / 11,479.72-17,219.58-4,554.22

Finding the Fourth Proportional to 11,479.72, 17,219.58 and 4,554.22

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Solution

The fourth proportional to 11,479.72, 17,219.58 and 4,554.22 is: 6,831.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.72 : 17,219.58 = 4,554.22 : x
  2. Step 2: Convert to fraction form
    11,479.72/17,219.58 = 4,554.22/x
  3. Step 3: Cross multiply
    11,479.72x = 17,219.58 × 4,554.22
  4. Step 4: Simplify right side
    11,479.72x = 78,421,755.63
  5. Step 5: Solve for x
    x = 78,421,755.63/11,479.72
  6. Step 6: Final answer
    x = 6,831.33

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Similar ratio
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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.