Home / 13,546.03-20,322.29-6,865.87

Finding the Fourth Proportional to 13,546.03, 20,322.29 and 6,865.87

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Solution

The fourth proportional to 13,546.03, 20,322.29 and 6,865.87 is: 10,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,546.03 : 20,322.29 = 6,865.87 : x
  2. Step 2: Convert to fraction form
    13,546.03/20,322.29 = 6,865.87/x
  3. Step 3: Cross multiply
    13,546.03x = 20,322.29 × 6,865.87
  4. Step 4: Simplify right side
    13,546.03x = 139,530,201.24
  5. Step 5: Solve for x
    x = 139,530,201.24/13,546.03
  6. Step 6: Final answer
    x = 10,300.45

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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.