Home / 13,190.37-19,785.47-3,329.60

Finding the Fourth Proportional to 13,190.37, 19,785.47 and 3,329.60

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Solution

The fourth proportional to 13,190.37, 19,785.47 and 3,329.60 is: 4,994.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190.37 : 19,785.47 = 3,329.60 : x
  2. Step 2: Convert to fraction form
    13,190.37/19,785.47 = 3,329.60/x
  3. Step 3: Cross multiply
    13,190.37x = 19,785.47 × 3,329.60
  4. Step 4: Simplify right side
    13,190.37x = 65,877,746.21
  5. Step 5: Solve for x
    x = 65,877,746.21/13,190.37
  6. Step 6: Final answer
    x = 4,994.38

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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.