Home / 17,815.37-26,721-4,668.77

Finding the Fourth Proportional to 17,815.37, 26,721 and 4,668.77

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Solution

The fourth proportional to 17,815.37, 26,721 and 4,668.77 is: 7,002.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,815.37 : 26,721 = 4,668.77 : x
  2. Step 2: Convert to fraction form
    17,815.37/26,721 = 4,668.77/x
  3. Step 3: Cross multiply
    17,815.37x = 26,721 × 4,668.77
  4. Step 4: Simplify right side
    17,815.37x = 124,754,269.97
  5. Step 5: Solve for x
    x = 124,754,269.97/17,815.37
  6. Step 6: Final answer
    x = 7,002.62

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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.