Home / 15,899.56-21,944.19-9,185.44

Finding the Fourth Proportional to 15,899.56, 21,944.19 and 9,185.44

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Solution

The fourth proportional to 15,899.56, 21,944.19 and 9,185.44 is: 12,677.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,899.56 : 21,944.19 = 9,185.44 : x
  2. Step 2: Convert to fraction form
    15,899.56/21,944.19 = 9,185.44/x
  3. Step 3: Cross multiply
    15,899.56x = 21,944.19 × 9,185.44
  4. Step 4: Simplify right side
    15,899.56x = 201,567,040.59
  5. Step 5: Solve for x
    x = 201,567,040.59/15,899.56
  6. Step 6: Final answer
    x = 12,677.52

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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.