Home / 12,826.42-19,238.04-3,467.20

Finding the Fourth Proportional to 12,826.42, 19,238.04 and 3,467.20

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Solution

The fourth proportional to 12,826.42, 19,238.04 and 3,467.20 is: 5,200.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826.42 : 19,238.04 = 3,467.20 : x
  2. Step 2: Convert to fraction form
    12,826.42/19,238.04 = 3,467.20/x
  3. Step 3: Cross multiply
    12,826.42x = 19,238.04 × 3,467.20
  4. Step 4: Simplify right side
    12,826.42x = 66,702,132.29
  5. Step 5: Solve for x
    x = 66,702,132.29/12,826.42
  6. Step 6: Final answer
    x = 5,200.37

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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.