Home / 13,993.06-20,996.31-8,726.72

Finding the Fourth Proportional to 13,993.06, 20,996.31 and 8,726.72

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Solution

The fourth proportional to 13,993.06, 20,996.31 and 8,726.72 is: 13,094.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,993.06 : 20,996.31 = 8,726.72 : x
  2. Step 2: Convert to fraction form
    13,993.06/20,996.31 = 8,726.72/x
  3. Step 3: Cross multiply
    13,993.06x = 20,996.31 × 8,726.72
  4. Step 4: Simplify right side
    13,993.06x = 183,228,918.40
  5. Step 5: Solve for x
    x = 183,228,918.40/13,993.06
  6. Step 6: Final answer
    x = 13,094.27

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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.