Home / 12,615.48-18,914.00-4,293.26

Finding the Fourth Proportional to 12,615.48, 18,914.00 and 4,293.26

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Solution

The fourth proportional to 12,615.48, 18,914.00 and 4,293.26 is: 6,436.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,615.48 : 18,914.00 = 4,293.26 : x
  2. Step 2: Convert to fraction form
    12,615.48/18,914.00 = 4,293.26/x
  3. Step 3: Cross multiply
    12,615.48x = 18,914.00 × 4,293.26
  4. Step 4: Simplify right side
    12,615.48x = 81,202,698.17
  5. Step 5: Solve for x
    x = 81,202,698.17/12,615.48
  6. Step 6: Final answer
    x = 6,436.75

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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.