Home / 12,844.89-19,255.65-4,942.36

Finding the Fourth Proportional to 12,844.89, 19,255.65 and 4,942.36

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Solution

The fourth proportional to 12,844.89, 19,255.65 and 4,942.36 is: 7,409.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,844.89 : 19,255.65 = 4,942.36 : x
  2. Step 2: Convert to fraction form
    12,844.89/19,255.65 = 4,942.36/x
  3. Step 3: Cross multiply
    12,844.89x = 19,255.65 × 4,942.36
  4. Step 4: Simplify right side
    12,844.89x = 95,168,419.89
  5. Step 5: Solve for x
    x = 95,168,419.89/12,844.89
  6. Step 6: Final answer
    x = 7,409.05

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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.