Home / 11,112.64-16,644.29-7,983.25

Finding the Fourth Proportional to 11,112.64, 16,644.29 and 7,983.25

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Solution

The fourth proportional to 11,112.64, 16,644.29 and 7,983.25 is: 11,957.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.64 : 16,644.29 = 7,983.25 : x
  2. Step 2: Convert to fraction form
    11,112.64/16,644.29 = 7,983.25/x
  3. Step 3: Cross multiply
    11,112.64x = 16,644.29 × 7,983.25
  4. Step 4: Simplify right side
    11,112.64x = 132,875,528.54
  5. Step 5: Solve for x
    x = 132,875,528.54/11,112.64
  6. Step 6: Final answer
    x = 11,957.16

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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.