Home / 13,299.72-19,948.86-4,065

Finding the Fourth Proportional to 13,299.72, 19,948.86 and 4,065

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Solution

The fourth proportional to 13,299.72, 19,948.86 and 4,065 is: 6,097.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.72 : 19,948.86 = 4,065 : x
  2. Step 2: Convert to fraction form
    13,299.72/19,948.86 = 4,065/x
  3. Step 3: Cross multiply
    13,299.72x = 19,948.86 × 4,065
  4. Step 4: Simplify right side
    13,299.72x = 81,092,115.90
  5. Step 5: Solve for x
    x = 81,092,115.90/13,299.72
  6. Step 6: Final answer
    x = 6,097.28

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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.