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Finding the Fourth Proportional to 13,334.10, 19,982.93 and 8,879.10

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Solution

The fourth proportional to 13,334.10, 19,982.93 and 8,879.10 is: 13,306.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.10 : 19,982.93 = 8,879.10 : x
  2. Step 2: Convert to fraction form
    13,334.10/19,982.93 = 8,879.10/x
  3. Step 3: Cross multiply
    13,334.10x = 19,982.93 × 8,879.10
  4. Step 4: Simplify right side
    13,334.10x = 177,430,389.37
  5. Step 5: Solve for x
    x = 177,430,389.37/13,334.10
  6. Step 6: Final answer
    x = 13,306.51

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1.5x scale

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.