Home / 14,040.87-21,046.73-5,717.31

Finding the Fourth Proportional to 14,040.87, 21,046.73 and 5,717.31

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Solution

The fourth proportional to 14,040.87, 21,046.73 and 5,717.31 is: 8,570.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.87 : 21,046.73 = 5,717.31 : x
  2. Step 2: Convert to fraction form
    14,040.87/21,046.73 = 5,717.31/x
  3. Step 3: Cross multiply
    14,040.87x = 21,046.73 × 5,717.31
  4. Step 4: Simplify right side
    14,040.87x = 120,330,651.31
  5. Step 5: Solve for x
    x = 120,330,651.31/14,040.87
  6. Step 6: Final answer
    x = 8,570.03

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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.