Home / 13,451.00-18,562.97-11,209.12

Finding the Fourth Proportional to 13,451.00, 18,562.97 and 11,209.12

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Solution

The fourth proportional to 13,451.00, 18,562.97 and 11,209.12 is: 15,469.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451.00 : 18,562.97 = 11,209.12 : x
  2. Step 2: Convert to fraction form
    13,451.00/18,562.97 = 11,209.12/x
  3. Step 3: Cross multiply
    13,451.00x = 18,562.97 × 11,209.12
  4. Step 4: Simplify right side
    13,451.00x = 208,074,539.90
  5. Step 5: Solve for x
    x = 208,074,539.90/13,451.00
  6. Step 6: Final answer
    x = 15,469.08

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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.