Home / 18,021.15-24,868.22-11,304.63

Finding the Fourth Proportional to 18,021.15, 24,868.22 and 11,304.63

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Solution

The fourth proportional to 18,021.15, 24,868.22 and 11,304.63 is: 15,599.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,021.15 : 24,868.22 = 11,304.63 : x
  2. Step 2: Convert to fraction form
    18,021.15/24,868.22 = 11,304.63/x
  3. Step 3: Cross multiply
    18,021.15x = 24,868.22 × 11,304.63
  4. Step 4: Simplify right side
    18,021.15x = 281,125,969.34
  5. Step 5: Solve for x
    x = 281,125,969.34/18,021.15
  6. Step 6: Final answer
    x = 15,599.78

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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.