Home / 9,511.45-14,269.20-2,938.30

Finding the Fourth Proportional to 9,511.45, 14,269.20 and 2,938.30

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Solution

The fourth proportional to 9,511.45, 14,269.20 and 2,938.30 is: 4,408.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,511.45 : 14,269.20 = 2,938.30 : x
  2. Step 2: Convert to fraction form
    9,511.45/14,269.20 = 2,938.30/x
  3. Step 3: Cross multiply
    9,511.45x = 14,269.20 × 2,938.30
  4. Step 4: Simplify right side
    9,511.45x = 41,927,190.36
  5. Step 5: Solve for x
    x = 41,927,190.36/9,511.45
  6. Step 6: Final answer
    x = 4,408.08

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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.