Home / 21,992.32-33,003.06-11,611.36

Finding the Fourth Proportional to 21,992.32, 33,003.06 and 11,611.36

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Solution

The fourth proportional to 21,992.32, 33,003.06 and 11,611.36 is: 17,424.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,992.32 : 33,003.06 = 11,611.36 : x
  2. Step 2: Convert to fraction form
    21,992.32/33,003.06 = 11,611.36/x
  3. Step 3: Cross multiply
    21,992.32x = 33,003.06 × 11,611.36
  4. Step 4: Simplify right side
    21,992.32x = 383,210,410.76
  5. Step 5: Solve for x
    x = 383,210,410.76/21,992.32
  6. Step 6: Final answer
    x = 17,424.74

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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.