Home / 11,190.90-16,786.71-4,612.62

Finding the Fourth Proportional to 11,190.90, 16,786.71 and 4,612.62

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Solution

The fourth proportional to 11,190.90, 16,786.71 and 4,612.62 is: 6,919.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.90 : 16,786.71 = 4,612.62 : x
  2. Step 2: Convert to fraction form
    11,190.90/16,786.71 = 4,612.62/x
  3. Step 3: Cross multiply
    11,190.90x = 16,786.71 × 4,612.62
  4. Step 4: Simplify right side
    11,190.90x = 77,430,714.28
  5. Step 5: Solve for x
    x = 77,430,714.28/11,190.90
  6. Step 6: Final answer
    x = 6,919.08

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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.