Home / 13,315.27-19,973.66-3,454.29

Finding the Fourth Proportional to 13,315.27, 19,973.66 and 3,454.29

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Solution

The fourth proportional to 13,315.27, 19,973.66 and 3,454.29 is: 5,181.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315.27 : 19,973.66 = 3,454.29 : x
  2. Step 2: Convert to fraction form
    13,315.27/19,973.66 = 3,454.29/x
  3. Step 3: Cross multiply
    13,315.27x = 19,973.66 × 3,454.29
  4. Step 4: Simplify right side
    13,315.27x = 68,994,814.00
  5. Step 5: Solve for x
    x = 68,994,814.00/13,315.27
  6. Step 6: Final answer
    x = 5,181.63

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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.