Home / 12,964.56-19,446.36-4,199.28

Finding the Fourth Proportional to 12,964.56, 19,446.36 and 4,199.28

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Solution

The fourth proportional to 12,964.56, 19,446.36 and 4,199.28 is: 6,298.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,964.56 : 19,446.36 = 4,199.28 : x
  2. Step 2: Convert to fraction form
    12,964.56/19,446.36 = 4,199.28/x
  3. Step 3: Cross multiply
    12,964.56x = 19,446.36 × 4,199.28
  4. Step 4: Simplify right side
    12,964.56x = 81,660,710.62
  5. Step 5: Solve for x
    x = 81,660,710.62/12,964.56
  6. Step 6: Final answer
    x = 6,298.76

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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.