Home / 18,634.85-27,946.59-5,308.94

Finding the Fourth Proportional to 18,634.85, 27,946.59 and 5,308.94

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Solution

The fourth proportional to 18,634.85, 27,946.59 and 5,308.94 is: 7,961.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,634.85 : 27,946.59 = 5,308.94 : x
  2. Step 2: Convert to fraction form
    18,634.85/27,946.59 = 5,308.94/x
  3. Step 3: Cross multiply
    18,634.85x = 27,946.59 × 5,308.94
  4. Step 4: Simplify right side
    18,634.85x = 148,366,692.14
  5. Step 5: Solve for x
    x = 148,366,692.14/18,634.85
  6. Step 6: Final answer
    x = 7,961.78

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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.