Home / 13,517.14-18,656.08-8,066.56

Finding the Fourth Proportional to 13,517.14, 18,656.08 and 8,066.56

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Solution

The fourth proportional to 13,517.14, 18,656.08 and 8,066.56 is: 11,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517.14 : 18,656.08 = 8,066.56 : x
  2. Step 2: Convert to fraction form
    13,517.14/18,656.08 = 8,066.56/x
  3. Step 3: Cross multiply
    13,517.14x = 18,656.08 × 8,066.56
  4. Step 4: Simplify right side
    13,517.14x = 150,490,388.68
  5. Step 5: Solve for x
    x = 150,490,388.68/13,517.14
  6. Step 6: Final answer
    x = 11,133.30

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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.