Home / 11,421.09-17,131.66-7,029.34

Finding the Fourth Proportional to 11,421.09, 17,131.66 and 7,029.34

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Solution

The fourth proportional to 11,421.09, 17,131.66 and 7,029.34 is: 10,544.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,421.09 : 17,131.66 = 7,029.34 : x
  2. Step 2: Convert to fraction form
    11,421.09/17,131.66 = 7,029.34/x
  3. Step 3: Cross multiply
    11,421.09x = 17,131.66 × 7,029.34
  4. Step 4: Simplify right side
    11,421.09x = 120,424,202.50
  5. Step 5: Solve for x
    x = 120,424,202.50/11,421.09
  6. Step 6: Final answer
    x = 10,544.02

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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.