Home / 13,249.44-18,296.10-9,886.44

Finding the Fourth Proportional to 13,249.44, 18,296.10 and 9,886.44

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Solution

The fourth proportional to 13,249.44, 18,296.10 and 9,886.44 is: 13,652.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.44 : 18,296.10 = 9,886.44 : x
  2. Step 2: Convert to fraction form
    13,249.44/18,296.10 = 9,886.44/x
  3. Step 3: Cross multiply
    13,249.44x = 18,296.10 × 9,886.44
  4. Step 4: Simplify right side
    13,249.44x = 180,883,294.88
  5. Step 5: Solve for x
    x = 180,883,294.88/13,249.44
  6. Step 6: Final answer
    x = 13,652.15

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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.