Home / 12,838.24-19,257.36-3,604.24

Finding the Fourth Proportional to 12,838.24, 19,257.36 and 3,604.24

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Solution

The fourth proportional to 12,838.24, 19,257.36 and 3,604.24 is: 5,406.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,838.24 : 19,257.36 = 3,604.24 : x
  2. Step 2: Convert to fraction form
    12,838.24/19,257.36 = 3,604.24/x
  3. Step 3: Cross multiply
    12,838.24x = 19,257.36 × 3,604.24
  4. Step 4: Simplify right side
    12,838.24x = 69,408,147.21
  5. Step 5: Solve for x
    x = 69,408,147.21/12,838.24
  6. Step 6: Final answer
    x = 5,406.36

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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.