Home / 11,917.44-16,445.34-6,612.16

Finding the Fourth Proportional to 11,917.44, 16,445.34 and 6,612.16

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Solution

The fourth proportional to 11,917.44, 16,445.34 and 6,612.16 is: 9,124.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917.44 : 16,445.34 = 6,612.16 : x
  2. Step 2: Convert to fraction form
    11,917.44/16,445.34 = 6,612.16/x
  3. Step 3: Cross multiply
    11,917.44x = 16,445.34 × 6,612.16
  4. Step 4: Simplify right side
    11,917.44x = 108,739,219.33
  5. Step 5: Solve for x
    x = 108,739,219.33/11,917.44
  6. Step 6: Final answer
    x = 9,124.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.