Home / 13,665.03-20,497.81-4,305.36

Finding the Fourth Proportional to 13,665.03, 20,497.81 and 4,305.36

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Solution

The fourth proportional to 13,665.03, 20,497.81 and 4,305.36 is: 6,458.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,665.03 : 20,497.81 = 4,305.36 : x
  2. Step 2: Convert to fraction form
    13,665.03/20,497.81 = 4,305.36/x
  3. Step 3: Cross multiply
    13,665.03x = 20,497.81 × 4,305.36
  4. Step 4: Simplify right side
    13,665.03x = 88,250,451.26
  5. Step 5: Solve for x
    x = 88,250,451.26/13,665.03
  6. Step 6: Final answer
    x = 6,458.12

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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.