Home / 12,386.03-18,583.36-5,273.87

Finding the Fourth Proportional to 12,386.03, 18,583.36 and 5,273.87

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Solution

The fourth proportional to 12,386.03, 18,583.36 and 5,273.87 is: 7,912.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,386.03 : 18,583.36 = 5,273.87 : x
  2. Step 2: Convert to fraction form
    12,386.03/18,583.36 = 5,273.87/x
  3. Step 3: Cross multiply
    12,386.03x = 18,583.36 × 5,273.87
  4. Step 4: Simplify right side
    12,386.03x = 98,006,118.70
  5. Step 5: Solve for x
    x = 98,006,118.70/12,386.03
  6. Step 6: Final answer
    x = 7,912.64

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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.