Home / 17,904.36-26,856.70-7,371.88

Finding the Fourth Proportional to 17,904.36, 26,856.70 and 7,371.88

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Solution

The fourth proportional to 17,904.36, 26,856.70 and 7,371.88 is: 11,057.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,904.36 : 26,856.70 = 7,371.88 : x
  2. Step 2: Convert to fraction form
    17,904.36/26,856.70 = 7,371.88/x
  3. Step 3: Cross multiply
    17,904.36x = 26,856.70 × 7,371.88
  4. Step 4: Simplify right side
    17,904.36x = 197,984,369.60
  5. Step 5: Solve for x
    x = 197,984,369.60/17,904.36
  6. Step 6: Final answer
    x = 11,057.89

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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.