Home / 13,161.54-19,738.59-3,671.68

Finding the Fourth Proportional to 13,161.54, 19,738.59 and 3,671.68

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Solution

The fourth proportional to 13,161.54, 19,738.59 and 3,671.68 is: 5,506.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,161.54 : 19,738.59 = 3,671.68 : x
  2. Step 2: Convert to fraction form
    13,161.54/19,738.59 = 3,671.68/x
  3. Step 3: Cross multiply
    13,161.54x = 19,738.59 × 3,671.68
  4. Step 4: Simplify right side
    13,161.54x = 72,473,760.03
  5. Step 5: Solve for x
    x = 72,473,760.03/13,161.54
  6. Step 6: Final answer
    x = 5,506.48

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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.