Home / 13,940.24-20,915.82-9,260.06

Finding the Fourth Proportional to 13,940.24, 20,915.82 and 9,260.06

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Solution

The fourth proportional to 13,940.24, 20,915.82 and 9,260.06 is: 13,893.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,940.24 : 20,915.82 = 9,260.06 : x
  2. Step 2: Convert to fraction form
    13,940.24/20,915.82 = 9,260.06/x
  3. Step 3: Cross multiply
    13,940.24x = 20,915.82 × 9,260.06
  4. Step 4: Simplify right side
    13,940.24x = 193,681,643.57
  5. Step 5: Solve for x
    x = 193,681,643.57/13,940.24
  6. Step 6: Final answer
    x = 13,893.71

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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.