Home / 12,301.19-18,355.80-10,975.82

Finding the Fourth Proportional to 12,301.19, 18,355.80 and 10,975.82

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Solution

The fourth proportional to 12,301.19, 18,355.80 and 10,975.82 is: 16,378.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301.19 : 18,355.80 = 10,975.82 : x
  2. Step 2: Convert to fraction form
    12,301.19/18,355.80 = 10,975.82/x
  3. Step 3: Cross multiply
    12,301.19x = 18,355.80 × 10,975.82
  4. Step 4: Simplify right side
    12,301.19x = 201,469,956.76
  5. Step 5: Solve for x
    x = 201,469,956.76/12,301.19
  6. Step 6: Final answer
    x = 16,378.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.