Home / 21,968.04-30,302.19-14,414.79

Finding the Fourth Proportional to 21,968.04, 30,302.19 and 14,414.79

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Solution

The fourth proportional to 21,968.04, 30,302.19 and 14,414.79 is: 19,883.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,968.04 : 30,302.19 = 14,414.79 : x
  2. Step 2: Convert to fraction form
    21,968.04/30,302.19 = 14,414.79/x
  3. Step 3: Cross multiply
    21,968.04x = 30,302.19 × 14,414.79
  4. Step 4: Simplify right side
    21,968.04x = 436,799,705.39
  5. Step 5: Solve for x
    x = 436,799,705.39/21,968.04
  6. Step 6: Final answer
    x = 19,883.42

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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.