Home / 13,576.73-20,360.09-4,689.79

Finding the Fourth Proportional to 13,576.73, 20,360.09 and 4,689.79

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Solution

The fourth proportional to 13,576.73, 20,360.09 and 4,689.79 is: 7,032.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.73 : 20,360.09 = 4,689.79 : x
  2. Step 2: Convert to fraction form
    13,576.73/20,360.09 = 4,689.79/x
  3. Step 3: Cross multiply
    13,576.73x = 20,360.09 × 4,689.79
  4. Step 4: Simplify right side
    13,576.73x = 95,484,421.23
  5. Step 5: Solve for x
    x = 95,484,421.23/13,576.73
  6. Step 6: Final answer
    x = 7,032.95

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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.