Home / 9,137.13-13,705.76-2,211.63

Finding the Fourth Proportional to 9,137.13, 13,705.76 and 2,211.63

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Solution

The fourth proportional to 9,137.13, 13,705.76 and 2,211.63 is: 3,317.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137.13 : 13,705.76 = 2,211.63 : x
  2. Step 2: Convert to fraction form
    9,137.13/13,705.76 = 2,211.63/x
  3. Step 3: Cross multiply
    9,137.13x = 13,705.76 × 2,211.63
  4. Step 4: Simplify right side
    9,137.13x = 30,312,069.99
  5. Step 5: Solve for x
    x = 30,312,069.99/9,137.13
  6. Step 6: Final answer
    x = 3,317.46

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.