Home / 11,951.40-17,927.08-5,692.43

Finding the Fourth Proportional to 11,951.40, 17,927.08 and 5,692.43

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Solution

The fourth proportional to 11,951.40, 17,927.08 and 5,692.43 is: 8,538.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,951.40 : 17,927.08 = 5,692.43 : x
  2. Step 2: Convert to fraction form
    11,951.40/17,927.08 = 5,692.43/x
  3. Step 3: Cross multiply
    11,951.40x = 17,927.08 × 5,692.43
  4. Step 4: Simplify right side
    11,951.40x = 102,048,699.94
  5. Step 5: Solve for x
    x = 102,048,699.94/11,951.40
  6. Step 6: Final answer
    x = 8,538.64

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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.