Home / 12,449.36-18,675.84-3,683.12

Finding the Fourth Proportional to 12,449.36, 18,675.84 and 3,683.12

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Solution

The fourth proportional to 12,449.36, 18,675.84 and 3,683.12 is: 5,525.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,449.36 : 18,675.84 = 3,683.12 : x
  2. Step 2: Convert to fraction form
    12,449.36/18,675.84 = 3,683.12/x
  3. Step 3: Cross multiply
    12,449.36x = 18,675.84 × 3,683.12
  4. Step 4: Simplify right side
    12,449.36x = 68,785,359.82
  5. Step 5: Solve for x
    x = 68,785,359.82/12,449.36
  6. Step 6: Final answer
    x = 5,525.21

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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.