Home / 13,858.08-20,786.76-6,066.96

Finding the Fourth Proportional to 13,858.08, 20,786.76 and 6,066.96

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Solution

The fourth proportional to 13,858.08, 20,786.76 and 6,066.96 is: 9,100.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,858.08 : 20,786.76 = 6,066.96 : x
  2. Step 2: Convert to fraction form
    13,858.08/20,786.76 = 6,066.96/x
  3. Step 3: Cross multiply
    13,858.08x = 20,786.76 × 6,066.96
  4. Step 4: Simplify right side
    13,858.08x = 126,112,441.45
  5. Step 5: Solve for x
    x = 126,112,441.45/13,858.08
  6. Step 6: Final answer
    x = 9,100.28

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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.