Home / 13,229.02-19,844.49-3,995.74

Finding the Fourth Proportional to 13,229.02, 19,844.49 and 3,995.74

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Solution

The fourth proportional to 13,229.02, 19,844.49 and 3,995.74 is: 5,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,229.02 : 19,844.49 = 3,995.74 : x
  2. Step 2: Convert to fraction form
    13,229.02/19,844.49 = 3,995.74/x
  3. Step 3: Cross multiply
    13,229.02x = 19,844.49 × 3,995.74
  4. Step 4: Simplify right side
    13,229.02x = 79,293,422.47
  5. Step 5: Solve for x
    x = 79,293,422.47/13,229.02
  6. Step 6: Final answer
    x = 5,993.90

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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.