Home / 18,135.43-27,200.01-4,808.51

Finding the Fourth Proportional to 18,135.43, 27,200.01 and 4,808.51

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Solution

The fourth proportional to 18,135.43, 27,200.01 and 4,808.51 is: 7,211.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,135.43 : 27,200.01 = 4,808.51 : x
  2. Step 2: Convert to fraction form
    18,135.43/27,200.01 = 4,808.51/x
  3. Step 3: Cross multiply
    18,135.43x = 27,200.01 × 4,808.51
  4. Step 4: Simplify right side
    18,135.43x = 130,791,520.09
  5. Step 5: Solve for x
    x = 130,791,520.09/18,135.43
  6. Step 6: Final answer
    x = 7,211.93

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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.