Home / 13,367.04-20,067.84-7,215.36

Finding the Fourth Proportional to 13,367.04, 20,067.84 and 7,215.36

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Solution

The fourth proportional to 13,367.04, 20,067.84 and 7,215.36 is: 10,832.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,367.04 : 20,067.84 = 7,215.36 : x
  2. Step 2: Convert to fraction form
    13,367.04/20,067.84 = 7,215.36/x
  3. Step 3: Cross multiply
    13,367.04x = 20,067.84 × 7,215.36
  4. Step 4: Simplify right side
    13,367.04x = 144,796,690.02
  5. Step 5: Solve for x
    x = 144,796,690.02/13,367.04
  6. Step 6: Final answer
    x = 10,832.37

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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.