Home / 11,745.48-16,211.35-9,188.17

Finding the Fourth Proportional to 11,745.48, 16,211.35 and 9,188.17

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Solution

The fourth proportional to 11,745.48, 16,211.35 and 9,188.17 is: 12,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745.48 : 16,211.35 = 9,188.17 : x
  2. Step 2: Convert to fraction form
    11,745.48/16,211.35 = 9,188.17/x
  3. Step 3: Cross multiply
    11,745.48x = 16,211.35 × 9,188.17
  4. Step 4: Simplify right side
    11,745.48x = 148,952,692.00
  5. Step 5: Solve for x
    x = 148,952,692.00/11,745.48
  6. Step 6: Final answer
    x = 12,681.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.