Home / 9,290.25-13,940.15-6,172.41

Finding the Fourth Proportional to 9,290.25, 13,940.15 and 6,172.41

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Solution

The fourth proportional to 9,290.25, 13,940.15 and 6,172.41 is: 9,261.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,290.25 : 13,940.15 = 6,172.41 : x
  2. Step 2: Convert to fraction form
    9,290.25/13,940.15 = 6,172.41/x
  3. Step 3: Cross multiply
    9,290.25x = 13,940.15 × 6,172.41
  4. Step 4: Simplify right side
    9,290.25x = 86,044,321.26
  5. Step 5: Solve for x
    x = 86,044,321.26/9,290.25
  6. Step 6: Final answer
    x = 9,261.79

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1.5x scale

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.