Home / 13,918.22-20,839.96-10,886.19

Finding the Fourth Proportional to 13,918.22, 20,839.96 and 10,886.19

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Solution

The fourth proportional to 13,918.22, 20,839.96 and 10,886.19 is: 16,300.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,918.22 : 20,839.96 = 10,886.19 : x
  2. Step 2: Convert to fraction form
    13,918.22/20,839.96 = 10,886.19/x
  3. Step 3: Cross multiply
    13,918.22x = 20,839.96 × 10,886.19
  4. Step 4: Simplify right side
    13,918.22x = 226,867,764.15
  5. Step 5: Solve for x
    x = 226,867,764.15/13,918.22
  6. Step 6: Final answer
    x = 16,300.06

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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.