Home / 13,874.22-19,146.61-8,208.82

Finding the Fourth Proportional to 13,874.22, 19,146.61 and 8,208.82

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Solution

The fourth proportional to 13,874.22, 19,146.61 and 8,208.82 is: 11,328.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,874.22 : 19,146.61 = 8,208.82 : x
  2. Step 2: Convert to fraction form
    13,874.22/19,146.61 = 8,208.82/x
  3. Step 3: Cross multiply
    13,874.22x = 19,146.61 × 8,208.82
  4. Step 4: Simplify right side
    13,874.22x = 157,171,109.29
  5. Step 5: Solve for x
    x = 157,171,109.29/13,874.22
  6. Step 6: Final answer
    x = 11,328.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.