Home / 14,091.46-19,441.78-8,122.30

Finding the Fourth Proportional to 14,091.46, 19,441.78 and 8,122.30

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Solution

The fourth proportional to 14,091.46, 19,441.78 and 8,122.30 is: 11,206.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.46 : 19,441.78 = 8,122.30 : x
  2. Step 2: Convert to fraction form
    14,091.46/19,441.78 = 8,122.30/x
  3. Step 3: Cross multiply
    14,091.46x = 19,441.78 × 8,122.30
  4. Step 4: Simplify right side
    14,091.46x = 157,911,969.69
  5. Step 5: Solve for x
    x = 157,911,969.69/14,091.46
  6. Step 6: Final answer
    x = 11,206.22

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