Home / 12,282.18-16,949.44-6,693.18

Finding the Fourth Proportional to 12,282.18, 16,949.44 and 6,693.18

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Solution

The fourth proportional to 12,282.18, 16,949.44 and 6,693.18 is: 9,236.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282.18 : 16,949.44 = 6,693.18 : x
  2. Step 2: Convert to fraction form
    12,282.18/16,949.44 = 6,693.18/x
  3. Step 3: Cross multiply
    12,282.18x = 16,949.44 × 6,693.18
  4. Step 4: Simplify right side
    12,282.18x = 113,445,652.82
  5. Step 5: Solve for x
    x = 113,445,652.82/12,282.18
  6. Step 6: Final answer
    x = 9,236.61

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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.