Home / 11,926.88-16,467.28-7,219.44

Finding the Fourth Proportional to 11,926.88, 16,467.28 and 7,219.44

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Solution

The fourth proportional to 11,926.88, 16,467.28 and 7,219.44 is: 9,967.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.88 : 16,467.28 = 7,219.44 : x
  2. Step 2: Convert to fraction form
    11,926.88/16,467.28 = 7,219.44/x
  3. Step 3: Cross multiply
    11,926.88x = 16,467.28 × 7,219.44
  4. Step 4: Simplify right side
    11,926.88x = 118,884,539.92
  5. Step 5: Solve for x
    x = 118,884,539.92/11,926.88
  6. Step 6: Final answer
    x = 9,967.78

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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.