Home / 21,904.69-30,228.44-12,473.26

Finding the Fourth Proportional to 21,904.69, 30,228.44 and 12,473.26

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Solution

The fourth proportional to 21,904.69, 30,228.44 and 12,473.26 is: 17,213.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,904.69 : 30,228.44 = 12,473.26 : x
  2. Step 2: Convert to fraction form
    21,904.69/30,228.44 = 12,473.26/x
  3. Step 3: Cross multiply
    21,904.69x = 30,228.44 × 12,473.26
  4. Step 4: Simplify right side
    21,904.69x = 377,047,040.37
  5. Step 5: Solve for x
    x = 377,047,040.37/21,904.69
  6. Step 6: Final answer
    x = 17,213.07

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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.