Home / 21,409.23-29,546.94-12,334.89

Finding the Fourth Proportional to 21,409.23, 29,546.94 and 12,334.89

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Solution

The fourth proportional to 21,409.23, 29,546.94 and 12,334.89 is: 17,023.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409.23 : 29,546.94 = 12,334.89 : x
  2. Step 2: Convert to fraction form
    21,409.23/29,546.94 = 12,334.89/x
  3. Step 3: Cross multiply
    21,409.23x = 29,546.94 × 12,334.89
  4. Step 4: Simplify right side
    21,409.23x = 364,458,254.74
  5. Step 5: Solve for x
    x = 364,458,254.74/21,409.23
  6. Step 6: Final answer
    x = 17,023.42

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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.