Home / 13,202.45-19,803.69-3,968.45

Finding the Fourth Proportional to 13,202.45, 19,803.69 and 3,968.45

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Solution

The fourth proportional to 13,202.45, 19,803.69 and 3,968.45 is: 5,952.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,202.45 : 19,803.69 = 3,968.45 : x
  2. Step 2: Convert to fraction form
    13,202.45/19,803.69 = 3,968.45/x
  3. Step 3: Cross multiply
    13,202.45x = 19,803.69 × 3,968.45
  4. Step 4: Simplify right side
    13,202.45x = 78,589,953.58
  5. Step 5: Solve for x
    x = 78,589,953.58/13,202.45
  6. Step 6: Final answer
    x = 5,952.68

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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.