Home / 13,741.88-18,954.96-9,204.80

Finding the Fourth Proportional to 13,741.88, 18,954.96 and 9,204.80

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Solution

The fourth proportional to 13,741.88, 18,954.96 and 9,204.80 is: 12,696.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741.88 : 18,954.96 = 9,204.80 : x
  2. Step 2: Convert to fraction form
    13,741.88/18,954.96 = 9,204.80/x
  3. Step 3: Cross multiply
    13,741.88x = 18,954.96 × 9,204.80
  4. Step 4: Simplify right side
    13,741.88x = 174,476,615.81
  5. Step 5: Solve for x
    x = 174,476,615.81/13,741.88
  6. Step 6: Final answer
    x = 12,696.71

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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.