Home / 13,261.14-18,292.77-8,284.50

Finding the Fourth Proportional to 13,261.14, 18,292.77 and 8,284.50

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Solution

The fourth proportional to 13,261.14, 18,292.77 and 8,284.50 is: 11,427.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.14 : 18,292.77 = 8,284.50 : x
  2. Step 2: Convert to fraction form
    13,261.14/18,292.77 = 8,284.50/x
  3. Step 3: Cross multiply
    13,261.14x = 18,292.77 × 8,284.50
  4. Step 4: Simplify right side
    13,261.14x = 151,546,453.07
  5. Step 5: Solve for x
    x = 151,546,453.07/13,261.14
  6. Step 6: Final answer
    x = 11,427.86

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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.