Home / 12,808.07-19,213.10-4,914.37

Finding the Fourth Proportional to 12,808.07, 19,213.10 and 4,914.37

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Solution

The fourth proportional to 12,808.07, 19,213.10 and 4,914.37 is: 7,371.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,808.07 : 19,213.10 = 4,914.37 : x
  2. Step 2: Convert to fraction form
    12,808.07/19,213.10 = 4,914.37/x
  3. Step 3: Cross multiply
    12,808.07x = 19,213.10 × 4,914.37
  4. Step 4: Simplify right side
    12,808.07x = 94,420,161.61
  5. Step 5: Solve for x
    x = 94,420,161.61/12,808.07
  6. Step 6: Final answer
    x = 7,371.93

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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.