Home / 12,964.32-19,446.21-4,199.22

Finding the Fourth Proportional to 12,964.32, 19,446.21 and 4,199.22

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Solution

The fourth proportional to 12,964.32, 19,446.21 and 4,199.22 is: 6,298.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,964.32 : 19,446.21 = 4,199.22 : x
  2. Step 2: Convert to fraction form
    12,964.32/19,446.21 = 4,199.22/x
  3. Step 3: Cross multiply
    12,964.32x = 19,446.21 × 4,199.22
  4. Step 4: Simplify right side
    12,964.32x = 81,658,913.96
  5. Step 5: Solve for x
    x = 81,658,913.96/12,964.32
  6. Step 6: Final answer
    x = 6,298.74

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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.