Home / 19,129.01-28,692.72-6,651.86

Finding the Fourth Proportional to 19,129.01, 28,692.72 and 6,651.86

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Solution

The fourth proportional to 19,129.01, 28,692.72 and 6,651.86 is: 9,977.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,129.01 : 28,692.72 = 6,651.86 : x
  2. Step 2: Convert to fraction form
    19,129.01/28,692.72 = 6,651.86/x
  3. Step 3: Cross multiply
    19,129.01x = 28,692.72 × 6,651.86
  4. Step 4: Simplify right side
    19,129.01x = 190,859,813.00
  5. Step 5: Solve for x
    x = 190,859,813.00/19,129.01
  6. Step 6: Final answer
    x = 9,977.51

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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.