Home / 13,132.35-19,698.79-3,772.68

Finding the Fourth Proportional to 13,132.35, 19,698.79 and 3,772.68

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Solution

The fourth proportional to 13,132.35, 19,698.79 and 3,772.68 is: 5,659.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.35 : 19,698.79 = 3,772.68 : x
  2. Step 2: Convert to fraction form
    13,132.35/19,698.79 = 3,772.68/x
  3. Step 3: Cross multiply
    13,132.35x = 19,698.79 × 3,772.68
  4. Step 4: Simplify right side
    13,132.35x = 74,317,231.06
  5. Step 5: Solve for x
    x = 74,317,231.06/13,132.35
  6. Step 6: Final answer
    x = 5,659.10

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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.