Home / 13,021.53-19,532.77-6,694.71

Finding the Fourth Proportional to 13,021.53, 19,532.77 and 6,694.71

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Solution

The fourth proportional to 13,021.53, 19,532.77 and 6,694.71 is: 10,042.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.53 : 19,532.77 = 6,694.71 : x
  2. Step 2: Convert to fraction form
    13,021.53/19,532.77 = 6,694.71/x
  3. Step 3: Cross multiply
    13,021.53x = 19,532.77 × 6,694.71
  4. Step 4: Simplify right side
    13,021.53x = 130,766,230.65
  5. Step 5: Solve for x
    x = 130,766,230.65/13,021.53
  6. Step 6: Final answer
    x = 10,042.31

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1.5x scale

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.