Home / 13,893.04-19,170.30-7,843.96

Finding the Fourth Proportional to 13,893.04, 19,170.30 and 7,843.96

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Solution

The fourth proportional to 13,893.04, 19,170.30 and 7,843.96 is: 10,823.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,893.04 : 19,170.30 = 7,843.96 : x
  2. Step 2: Convert to fraction form
    13,893.04/19,170.30 = 7,843.96/x
  3. Step 3: Cross multiply
    13,893.04x = 19,170.30 × 7,843.96
  4. Step 4: Simplify right side
    13,893.04x = 150,371,066.39
  5. Step 5: Solve for x
    x = 150,371,066.39/13,893.04
  6. Step 6: Final answer
    x = 10,823.48

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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.