Home / 12,181.47-16,810.41-6,876.18

Finding the Fourth Proportional to 12,181.47, 16,810.41 and 6,876.18

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Solution

The fourth proportional to 12,181.47, 16,810.41 and 6,876.18 is: 9,489.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,181.47 : 16,810.41 = 6,876.18 : x
  2. Step 2: Convert to fraction form
    12,181.47/16,810.41 = 6,876.18/x
  3. Step 3: Cross multiply
    12,181.47x = 16,810.41 × 6,876.18
  4. Step 4: Simplify right side
    12,181.47x = 115,591,405.03
  5. Step 5: Solve for x
    x = 115,591,405.03/12,181.47
  6. Step 6: Final answer
    x = 9,489.12

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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.