Home / 11,215.88-16,825.84-4,638.48

Finding the Fourth Proportional to 11,215.88, 16,825.84 and 4,638.48

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Solution

The fourth proportional to 11,215.88, 16,825.84 and 4,638.48 is: 6,958.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.88 : 16,825.84 = 4,638.48 : x
  2. Step 2: Convert to fraction form
    11,215.88/16,825.84 = 4,638.48/x
  3. Step 3: Cross multiply
    11,215.88x = 16,825.84 × 4,638.48
  4. Step 4: Simplify right side
    11,215.88x = 78,046,322.32
  5. Step 5: Solve for x
    x = 78,046,322.32/11,215.88
  6. Step 6: Final answer
    x = 6,958.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.