Home / 21,954.03-30,296.60-13,005.96

Finding the Fourth Proportional to 21,954.03, 30,296.60 and 13,005.96

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Solution

The fourth proportional to 21,954.03, 30,296.60 and 13,005.96 is: 17,948.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,954.03 : 30,296.60 = 13,005.96 : x
  2. Step 2: Convert to fraction form
    21,954.03/30,296.60 = 13,005.96/x
  3. Step 3: Cross multiply
    21,954.03x = 30,296.60 × 13,005.96
  4. Step 4: Simplify right side
    21,954.03x = 394,036,367.74
  5. Step 5: Solve for x
    x = 394,036,367.74/21,954.03
  6. Step 6: Final answer
    x = 17,948.25

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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.