Home / 13,589.52-18,741.26-8,804.60

Finding the Fourth Proportional to 13,589.52, 18,741.26 and 8,804.60

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Solution

The fourth proportional to 13,589.52, 18,741.26 and 8,804.60 is: 12,142.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589.52 : 18,741.26 = 8,804.60 : x
  2. Step 2: Convert to fraction form
    13,589.52/18,741.26 = 8,804.60/x
  3. Step 3: Cross multiply
    13,589.52x = 18,741.26 × 8,804.60
  4. Step 4: Simplify right side
    13,589.52x = 165,009,297.80
  5. Step 5: Solve for x
    x = 165,009,297.80/13,589.52
  6. Step 6: Final answer
    x = 12,142.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.