Home / 13,128.06-19,692.11-3,267.35

Finding the Fourth Proportional to 13,128.06, 19,692.11 and 3,267.35

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Solution

The fourth proportional to 13,128.06, 19,692.11 and 3,267.35 is: 4,901.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,128.06 : 19,692.11 = 3,267.35 : x
  2. Step 2: Convert to fraction form
    13,128.06/19,692.11 = 3,267.35/x
  3. Step 3: Cross multiply
    13,128.06x = 19,692.11 × 3,267.35
  4. Step 4: Simplify right side
    13,128.06x = 64,341,015.61
  5. Step 5: Solve for x
    x = 64,341,015.61/13,128.06
  6. Step 6: Final answer
    x = 4,901.03

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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.