Home / 18,127.41-27,187.92-4,800.53

Finding the Fourth Proportional to 18,127.41, 27,187.92 and 4,800.53

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Solution

The fourth proportional to 18,127.41, 27,187.92 and 4,800.53 is: 7,199.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127.41 : 27,187.92 = 4,800.53 : x
  2. Step 2: Convert to fraction form
    18,127.41/27,187.92 = 4,800.53/x
  3. Step 3: Cross multiply
    18,127.41x = 27,187.92 × 4,800.53
  4. Step 4: Simplify right side
    18,127.41x = 130,516,289.66
  5. Step 5: Solve for x
    x = 130,516,289.66/18,127.41
  6. Step 6: Final answer
    x = 7,199.94

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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.