Home / 11,078.55-16,612.96-4,148.19

Finding the Fourth Proportional to 11,078.55, 16,612.96 and 4,148.19

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Solution

The fourth proportional to 11,078.55, 16,612.96 and 4,148.19 is: 6,220.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.55 : 16,612.96 = 4,148.19 : x
  2. Step 2: Convert to fraction form
    11,078.55/16,612.96 = 4,148.19/x
  3. Step 3: Cross multiply
    11,078.55x = 16,612.96 × 4,148.19
  4. Step 4: Simplify right side
    11,078.55x = 68,913,714.54
  5. Step 5: Solve for x
    x = 68,913,714.54/11,078.55
  6. Step 6: Final answer
    x = 6,220.46

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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.