Home / 17,865.30-26,789.30-5,383.00

Finding the Fourth Proportional to 17,865.30, 26,789.30 and 5,383.00

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Solution

The fourth proportional to 17,865.30, 26,789.30 and 5,383.00 is: 8,071.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,865.30 : 26,789.30 = 5,383.00 : x
  2. Step 2: Convert to fraction form
    17,865.30/26,789.30 = 5,383.00/x
  3. Step 3: Cross multiply
    17,865.30x = 26,789.30 × 5,383.00
  4. Step 4: Simplify right side
    17,865.30x = 144,206,708.01
  5. Step 5: Solve for x
    x = 144,206,708.01/17,865.30
  6. Step 6: Final answer
    x = 8,071.89

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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.