Home / 11,403.99-17,090.49-4,377.51

Finding the Fourth Proportional to 11,403.99, 17,090.49 and 4,377.51

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Solution

The fourth proportional to 11,403.99, 17,090.49 and 4,377.51 is: 6,560.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,403.99 : 17,090.49 = 4,377.51 : x
  2. Step 2: Convert to fraction form
    11,403.99/17,090.49 = 4,377.51/x
  3. Step 3: Cross multiply
    11,403.99x = 17,090.49 × 4,377.51
  4. Step 4: Simplify right side
    11,403.99x = 74,813,790.88
  5. Step 5: Solve for x
    x = 74,813,790.88/11,403.99
  6. Step 6: Final answer
    x = 6,560.32

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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.