Home / 13,982.19-19,297.77-8,394.27

Finding the Fourth Proportional to 13,982.19, 19,297.77 and 8,394.27

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Solution

The fourth proportional to 13,982.19, 19,297.77 and 8,394.27 is: 11,585.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.19 : 19,297.77 = 8,394.27 : x
  2. Step 2: Convert to fraction form
    13,982.19/19,297.77 = 8,394.27/x
  3. Step 3: Cross multiply
    13,982.19x = 19,297.77 × 8,394.27
  4. Step 4: Simplify right side
    13,982.19x = 161,990,691.78
  5. Step 5: Solve for x
    x = 161,990,691.78/13,982.19
  6. Step 6: Final answer
    x = 11,585.50

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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.