Home / 13,993.26-20,990.82-5,673.18

Finding the Fourth Proportional to 13,993.26, 20,990.82 and 5,673.18

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Solution

The fourth proportional to 13,993.26, 20,990.82 and 5,673.18 is: 8,510.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,993.26 : 20,990.82 = 5,673.18 : x
  2. Step 2: Convert to fraction form
    13,993.26/20,990.82 = 5,673.18/x
  3. Step 3: Cross multiply
    13,993.26x = 20,990.82 × 5,673.18
  4. Step 4: Simplify right side
    13,993.26x = 119,084,700.21
  5. Step 5: Solve for x
    x = 119,084,700.21/13,993.26
  6. Step 6: Final answer
    x = 8,510.15

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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.