Home / 13,589.79-20,375.37-6,090.41

Finding the Fourth Proportional to 13,589.79, 20,375.37 and 6,090.41

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Solution

The fourth proportional to 13,589.79, 20,375.37 and 6,090.41 is: 9,131.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589.79 : 20,375.37 = 6,090.41 : x
  2. Step 2: Convert to fraction form
    13,589.79/20,375.37 = 6,090.41/x
  3. Step 3: Cross multiply
    13,589.79x = 20,375.37 × 6,090.41
  4. Step 4: Simplify right side
    13,589.79x = 124,094,255.32
  5. Step 5: Solve for x
    x = 124,094,255.32/13,589.79
  6. Step 6: Final answer
    x = 9,131.43

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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.