Home / 13,723.88-18,938.97-7,436.25

Finding the Fourth Proportional to 13,723.88, 18,938.97 and 7,436.25

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Solution

The fourth proportional to 13,723.88, 18,938.97 and 7,436.25 is: 10,262.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.88 : 18,938.97 = 7,436.25 : x
  2. Step 2: Convert to fraction form
    13,723.88/18,938.97 = 7,436.25/x
  3. Step 3: Cross multiply
    13,723.88x = 18,938.97 × 7,436.25
  4. Step 4: Simplify right side
    13,723.88x = 140,834,915.66
  5. Step 5: Solve for x
    x = 140,834,915.66/13,723.88
  6. Step 6: Final answer
    x = 10,262.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.