Home / 11,305.45-16,965.69-4,647.40

Finding the Fourth Proportional to 11,305.45, 16,965.69 and 4,647.40

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Solution

The fourth proportional to 11,305.45, 16,965.69 and 4,647.40 is: 6,974.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,305.45 : 16,965.69 = 4,647.40 : x
  2. Step 2: Convert to fraction form
    11,305.45/16,965.69 = 4,647.40/x
  3. Step 3: Cross multiply
    11,305.45x = 16,965.69 × 4,647.40
  4. Step 4: Simplify right side
    11,305.45x = 78,846,347.71
  5. Step 5: Solve for x
    x = 78,846,347.71/11,305.45
  6. Step 6: Final answer
    x = 6,974.19

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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.