Home / 13,010.10-19,513.17-4,245

Finding the Fourth Proportional to 13,010.10, 19,513.17 and 4,245

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Solution

The fourth proportional to 13,010.10, 19,513.17 and 4,245 is: 6,366.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.10 : 19,513.17 = 4,245 : x
  2. Step 2: Convert to fraction form
    13,010.10/19,513.17 = 4,245/x
  3. Step 3: Cross multiply
    13,010.10x = 19,513.17 × 4,245
  4. Step 4: Simplify right side
    13,010.10x = 82,833,406.65
  5. Step 5: Solve for x
    x = 82,833,406.65/13,010.10
  6. Step 6: Final answer
    x = 6,366.85

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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.