Home / 12,111.26-18,165.26-3,347.06

Finding the Fourth Proportional to 12,111.26, 18,165.26 and 3,347.06

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Solution

The fourth proportional to 12,111.26, 18,165.26 and 3,347.06 is: 5,020.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,111.26 : 18,165.26 = 3,347.06 : x
  2. Step 2: Convert to fraction form
    12,111.26/18,165.26 = 3,347.06/x
  3. Step 3: Cross multiply
    12,111.26x = 18,165.26 × 3,347.06
  4. Step 4: Simplify right side
    12,111.26x = 60,800,132.68
  5. Step 5: Solve for x
    x = 60,800,132.68/12,111.26
  6. Step 6: Final answer
    x = 5,020.13

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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.