Home / 18,251.10-27,326.73-12,692.70

Finding the Fourth Proportional to 18,251.10, 27,326.73 and 12,692.70

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Solution

The fourth proportional to 18,251.10, 27,326.73 and 12,692.70 is: 19,004.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.10 : 27,326.73 = 12,692.70 : x
  2. Step 2: Convert to fraction form
    18,251.10/27,326.73 = 12,692.70/x
  3. Step 3: Cross multiply
    18,251.10x = 27,326.73 × 12,692.70
  4. Step 4: Simplify right side
    18,251.10x = 346,849,985.87
  5. Step 5: Solve for x
    x = 346,849,985.87/18,251.10
  6. Step 6: Final answer
    x = 19,004.33

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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.