Home / 18,121.36-27,182.06-4,973.83

Finding the Fourth Proportional to 18,121.36, 27,182.06 and 4,973.83

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Solution

The fourth proportional to 18,121.36, 27,182.06 and 4,973.83 is: 7,460.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,121.36 : 27,182.06 = 4,973.83 : x
  2. Step 2: Convert to fraction form
    18,121.36/27,182.06 = 4,973.83/x
  3. Step 3: Cross multiply
    18,121.36x = 27,182.06 × 4,973.83
  4. Step 4: Simplify right side
    18,121.36x = 135,198,945.49
  5. Step 5: Solve for x
    x = 135,198,945.49/18,121.36
  6. Step 6: Final answer
    x = 7,460.75

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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.