Home / 18,030.28-27,049.20-6,340.36

Finding the Fourth Proportional to 18,030.28, 27,049.20 and 6,340.36

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Solution

The fourth proportional to 18,030.28, 27,049.20 and 6,340.36 is: 9,511.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,030.28 : 27,049.20 = 6,340.36 : x
  2. Step 2: Convert to fraction form
    18,030.28/27,049.20 = 6,340.36/x
  3. Step 3: Cross multiply
    18,030.28x = 27,049.20 × 6,340.36
  4. Step 4: Simplify right side
    18,030.28x = 171,501,665.71
  5. Step 5: Solve for x
    x = 171,501,665.71/18,030.28
  6. Step 6: Final answer
    x = 9,511.87

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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.