Home / 11,619.48-17,406-5,370.87

Finding the Fourth Proportional to 11,619.48, 17,406 and 5,370.87

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Solution

The fourth proportional to 11,619.48, 17,406 and 5,370.87 is: 8,045.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.48 : 17,406 = 5,370.87 : x
  2. Step 2: Convert to fraction form
    11,619.48/17,406 = 5,370.87/x
  3. Step 3: Cross multiply
    11,619.48x = 17,406 × 5,370.87
  4. Step 4: Simplify right side
    11,619.48x = 93,485,363.22
  5. Step 5: Solve for x
    x = 93,485,363.22/11,619.48
  6. Step 6: Final answer
    x = 8,045.57

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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.