Home / 13,033.14-17,994.36-8,073.78

Finding the Fourth Proportional to 13,033.14, 17,994.36 and 8,073.78

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Solution

The fourth proportional to 13,033.14, 17,994.36 and 8,073.78 is: 11,147.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,033.14 : 17,994.36 = 8,073.78 : x
  2. Step 2: Convert to fraction form
    13,033.14/17,994.36 = 8,073.78/x
  3. Step 3: Cross multiply
    13,033.14x = 17,994.36 × 8,073.78
  4. Step 4: Simplify right side
    13,033.14x = 145,282,503.88
  5. Step 5: Solve for x
    x = 145,282,503.88/13,033.14
  6. Step 6: Final answer
    x = 11,147.16

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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.