Home / 11,620.09-17,420.34-5,041.32

Finding the Fourth Proportional to 11,620.09, 17,420.34 and 5,041.32

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Solution

The fourth proportional to 11,620.09, 17,420.34 and 5,041.32 is: 7,557.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.09 : 17,420.34 = 5,041.32 : x
  2. Step 2: Convert to fraction form
    11,620.09/17,420.34 = 5,041.32/x
  3. Step 3: Cross multiply
    11,620.09x = 17,420.34 × 5,041.32
  4. Step 4: Simplify right side
    11,620.09x = 87,821,508.45
  5. Step 5: Solve for x
    x = 87,821,508.45/11,620.09
  6. Step 6: Final answer
    x = 7,557.73

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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.