Home / 18,443.21-27,692.49-10,554.63

Finding the Fourth Proportional to 18,443.21, 27,692.49 and 10,554.63

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Solution

The fourth proportional to 18,443.21, 27,692.49 and 10,554.63 is: 15,847.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443.21 : 27,692.49 = 10,554.63 : x
  2. Step 2: Convert to fraction form
    18,443.21/27,692.49 = 10,554.63/x
  3. Step 3: Cross multiply
    18,443.21x = 27,692.49 × 10,554.63
  4. Step 4: Simplify right side
    18,443.21x = 292,284,086.49
  5. Step 5: Solve for x
    x = 292,284,086.49/18,443.21
  6. Step 6: Final answer
    x = 15,847.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.