Home / 18,100.31-27,150.44-4,952.79

Finding the Fourth Proportional to 18,100.31, 27,150.44 and 4,952.79

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Solution

The fourth proportional to 18,100.31, 27,150.44 and 4,952.79 is: 7,429.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100.31 : 27,150.44 = 4,952.79 : x
  2. Step 2: Convert to fraction form
    18,100.31/27,150.44 = 4,952.79/x
  3. Step 3: Cross multiply
    18,100.31x = 27,150.44 × 4,952.79
  4. Step 4: Simplify right side
    18,100.31x = 134,470,402.96
  5. Step 5: Solve for x
    x = 134,470,402.96/18,100.31
  6. Step 6: Final answer
    x = 7,429.18

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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.