Home / 17,489.51-26,236.86-5,639.37

Finding the Fourth Proportional to 17,489.51, 26,236.86 and 5,639.37

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Solution

The fourth proportional to 17,489.51, 26,236.86 and 5,639.37 is: 8,459.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,489.51 : 26,236.86 = 5,639.37 : x
  2. Step 2: Convert to fraction form
    17,489.51/26,236.86 = 5,639.37/x
  3. Step 3: Cross multiply
    17,489.51x = 26,236.86 × 5,639.37
  4. Step 4: Simplify right side
    17,489.51x = 147,959,361.18
  5. Step 5: Solve for x
    x = 147,959,361.18/17,489.51
  6. Step 6: Final answer
    x = 8,459.89

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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.