Home / 15,619.06-21,554.38-8,448.96

Finding the Fourth Proportional to 15,619.06, 21,554.38 and 8,448.96

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Solution

The fourth proportional to 15,619.06, 21,554.38 and 8,448.96 is: 11,659.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,619.06 : 21,554.38 = 8,448.96 : x
  2. Step 2: Convert to fraction form
    15,619.06/21,554.38 = 8,448.96/x
  3. Step 3: Cross multiply
    15,619.06x = 21,554.38 × 8,448.96
  4. Step 4: Simplify right side
    15,619.06x = 182,112,094.44
  5. Step 5: Solve for x
    x = 182,112,094.44/15,619.06
  6. Step 6: Final answer
    x = 11,659.61

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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.