Home / 21,409.33-29,537.66-12,449.46

Finding the Fourth Proportional to 21,409.33, 29,537.66 and 12,449.46

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Solution

The fourth proportional to 21,409.33, 29,537.66 and 12,449.46 is: 17,176.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409.33 : 29,537.66 = 12,449.46 : x
  2. Step 2: Convert to fraction form
    21,409.33/29,537.66 = 12,449.46/x
  3. Step 3: Cross multiply
    21,409.33x = 29,537.66 × 12,449.46
  4. Step 4: Simplify right side
    21,409.33x = 367,728,058.55
  5. Step 5: Solve for x
    x = 367,728,058.55/21,409.33
  6. Step 6: Final answer
    x = 17,176.07

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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.