Home / 11,976.34-18,054.28-11,173.64

Finding the Fourth Proportional to 11,976.34, 18,054.28 and 11,173.64

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Solution

The fourth proportional to 11,976.34, 18,054.28 and 11,173.64 is: 16,844.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,976.34 : 18,054.28 = 11,173.64 : x
  2. Step 2: Convert to fraction form
    11,976.34/18,054.28 = 11,173.64/x
  3. Step 3: Cross multiply
    11,976.34x = 18,054.28 × 11,173.64
  4. Step 4: Simplify right side
    11,976.34x = 201,732,025.18
  5. Step 5: Solve for x
    x = 201,732,025.18/11,976.34
  6. Step 6: Final answer
    x = 16,844.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.