Home / 12,201.18-16,837.62-6,612.18

Finding the Fourth Proportional to 12,201.18, 16,837.62 and 6,612.18

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Solution

The fourth proportional to 12,201.18, 16,837.62 and 6,612.18 is: 9,124.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201.18 : 16,837.62 = 6,612.18 : x
  2. Step 2: Convert to fraction form
    12,201.18/16,837.62 = 6,612.18/x
  3. Step 3: Cross multiply
    12,201.18x = 16,837.62 × 6,612.18
  4. Step 4: Simplify right side
    12,201.18x = 111,333,374.21
  5. Step 5: Solve for x
    x = 111,333,374.21/12,201.18
  6. Step 6: Final answer
    x = 9,124.80

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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.