Home / 15,333.44-21,162.39-8,619.62

Finding the Fourth Proportional to 15,333.44, 21,162.39 and 8,619.62

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Solution

The fourth proportional to 15,333.44, 21,162.39 and 8,619.62 is: 11,896.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,333.44 : 21,162.39 = 8,619.62 : x
  2. Step 2: Convert to fraction form
    15,333.44/21,162.39 = 8,619.62/x
  3. Step 3: Cross multiply
    15,333.44x = 21,162.39 × 8,619.62
  4. Step 4: Simplify right side
    15,333.44x = 182,411,765.24
  5. Step 5: Solve for x
    x = 182,411,765.24/15,333.44
  6. Step 6: Final answer
    x = 11,896.34

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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.