Home / 13,601.36-20,419.32-11,562.32

Finding the Fourth Proportional to 13,601.36, 20,419.32 and 11,562.32

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Solution

The fourth proportional to 13,601.36, 20,419.32 and 11,562.32 is: 17,358.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601.36 : 20,419.32 = 11,562.32 : x
  2. Step 2: Convert to fraction form
    13,601.36/20,419.32 = 11,562.32/x
  3. Step 3: Cross multiply
    13,601.36x = 20,419.32 × 11,562.32
  4. Step 4: Simplify right side
    13,601.36x = 236,094,712.02
  5. Step 5: Solve for x
    x = 236,094,712.02/13,601.36
  6. Step 6: Final answer
    x = 17,358.17

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.