Home / 13,212.09-19,801.04-10,080.54

Finding the Fourth Proportional to 13,212.09, 19,801.04 and 10,080.54

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Solution

The fourth proportional to 13,212.09, 19,801.04 and 10,080.54 is: 15,107.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.09 : 19,801.04 = 10,080.54 : x
  2. Step 2: Convert to fraction form
    13,212.09/19,801.04 = 10,080.54/x
  3. Step 3: Cross multiply
    13,212.09x = 19,801.04 × 10,080.54
  4. Step 4: Simplify right side
    13,212.09x = 199,605,125.36
  5. Step 5: Solve for x
    x = 199,605,125.36/13,212.09
  6. Step 6: Final answer
    x = 15,107.76

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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.