Home / 11,111.26-16,661.76-4,089.51

Finding the Fourth Proportional to 11,111.26, 16,661.76 and 4,089.51

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Solution

The fourth proportional to 11,111.26, 16,661.76 and 4,089.51 is: 6,132.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,111.26 : 16,661.76 = 4,089.51 : x
  2. Step 2: Convert to fraction form
    11,111.26/16,661.76 = 4,089.51/x
  3. Step 3: Cross multiply
    11,111.26x = 16,661.76 × 4,089.51
  4. Step 4: Simplify right side
    11,111.26x = 68,138,434.14
  5. Step 5: Solve for x
    x = 68,138,434.14/11,111.26
  6. Step 6: Final answer
    x = 6,132.38

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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.