Home / 13,399.73-20,084.27-6,369.77

Finding the Fourth Proportional to 13,399.73, 20,084.27 and 6,369.77

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Solution

The fourth proportional to 13,399.73, 20,084.27 and 6,369.77 is: 9,547.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,399.73 : 20,084.27 = 6,369.77 : x
  2. Step 2: Convert to fraction form
    13,399.73/20,084.27 = 6,369.77/x
  3. Step 3: Cross multiply
    13,399.73x = 20,084.27 × 6,369.77
  4. Step 4: Simplify right side
    13,399.73x = 127,932,048.25
  5. Step 5: Solve for x
    x = 127,932,048.25/13,399.73
  6. Step 6: Final answer
    x = 9,547.36

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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.