Home / 18,190.98-27,287.28-5,043.06

Finding the Fourth Proportional to 18,190.98, 27,287.28 and 5,043.06

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Solution

The fourth proportional to 18,190.98, 27,287.28 and 5,043.06 is: 7,564.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.98 : 27,287.28 = 5,043.06 : x
  2. Step 2: Convert to fraction form
    18,190.98/27,287.28 = 5,043.06/x
  3. Step 3: Cross multiply
    18,190.98x = 27,287.28 × 5,043.06
  4. Step 4: Simplify right side
    18,190.98x = 137,611,390.28
  5. Step 5: Solve for x
    x = 137,611,390.28/18,190.98
  6. Step 6: Final answer
    x = 7,564.81

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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.