Home / 13,999.44-21,003.84-6,604.26

Finding the Fourth Proportional to 13,999.44, 21,003.84 and 6,604.26

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Solution

The fourth proportional to 13,999.44, 21,003.84 and 6,604.26 is: 9,908.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,999.44 : 21,003.84 = 6,604.26 : x
  2. Step 2: Convert to fraction form
    13,999.44/21,003.84 = 6,604.26/x
  3. Step 3: Cross multiply
    13,999.44x = 21,003.84 × 6,604.26
  4. Step 4: Simplify right side
    13,999.44x = 138,714,820.36
  5. Step 5: Solve for x
    x = 138,714,820.36/13,999.44
  6. Step 6: Final answer
    x = 9,908.60

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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.