Home / 11,145.51-16,720.22-3,750.02

Finding the Fourth Proportional to 11,145.51, 16,720.22 and 3,750.02

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Solution

The fourth proportional to 11,145.51, 16,720.22 and 3,750.02 is: 5,625.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.51 : 16,720.22 = 3,750.02 : x
  2. Step 2: Convert to fraction form
    11,145.51/16,720.22 = 3,750.02/x
  3. Step 3: Cross multiply
    11,145.51x = 16,720.22 × 3,750.02
  4. Step 4: Simplify right side
    11,145.51x = 62,701,057.05
  5. Step 5: Solve for x
    x = 62,701,057.05/11,145.51
  6. Step 6: Final answer
    x = 5,625.68

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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.