Home / 11,949.22-16,483.08-9,921.16

Finding the Fourth Proportional to 11,949.22, 16,483.08 and 9,921.16

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Solution

The fourth proportional to 11,949.22, 16,483.08 and 9,921.16 is: 13,685.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949.22 : 16,483.08 = 9,921.16 : x
  2. Step 2: Convert to fraction form
    11,949.22/16,483.08 = 9,921.16/x
  3. Step 3: Cross multiply
    11,949.22x = 16,483.08 × 9,921.16
  4. Step 4: Simplify right side
    11,949.22x = 163,531,273.97
  5. Step 5: Solve for x
    x = 163,531,273.97/11,949.22
  6. Step 6: Final answer
    x = 13,685.52

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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.