Home / 12,164.41-18,239.29-4,760.05

Finding the Fourth Proportional to 12,164.41, 18,239.29 and 4,760.05

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Solution

The fourth proportional to 12,164.41, 18,239.29 and 4,760.05 is: 7,137.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,164.41 : 18,239.29 = 4,760.05 : x
  2. Step 2: Convert to fraction form
    12,164.41/18,239.29 = 4,760.05/x
  3. Step 3: Cross multiply
    12,164.41x = 18,239.29 × 4,760.05
  4. Step 4: Simplify right side
    12,164.41x = 86,819,932.36
  5. Step 5: Solve for x
    x = 86,819,932.36/12,164.41
  6. Step 6: Final answer
    x = 7,137.21

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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.