Home / 18,112.47-27,168.90-4,964.84

Finding the Fourth Proportional to 18,112.47, 27,168.90 and 4,964.84

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Solution

The fourth proportional to 18,112.47, 27,168.90 and 4,964.84 is: 7,447.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112.47 : 27,168.90 = 4,964.84 : x
  2. Step 2: Convert to fraction form
    18,112.47/27,168.90 = 4,964.84/x
  3. Step 3: Cross multiply
    18,112.47x = 27,168.90 × 4,964.84
  4. Step 4: Simplify right side
    18,112.47x = 134,889,241.48
  5. Step 5: Solve for x
    x = 134,889,241.48/18,112.47
  6. Step 6: Final answer
    x = 7,447.31

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1.5x scale

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.