Home / 13,219.94-19,829.95-3,360.02

Finding the Fourth Proportional to 13,219.94, 19,829.95 and 3,360.02

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Solution

The fourth proportional to 13,219.94, 19,829.95 and 3,360.02 is: 5,040.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,219.94 : 19,829.95 = 3,360.02 : x
  2. Step 2: Convert to fraction form
    13,219.94/19,829.95 = 3,360.02/x
  3. Step 3: Cross multiply
    13,219.94x = 19,829.95 × 3,360.02
  4. Step 4: Simplify right side
    13,219.94x = 66,628,921.05
  5. Step 5: Solve for x
    x = 66,628,921.05/13,219.94
  6. Step 6: Final answer
    x = 5,040.03

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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.