Home / 11,640.22-16,063.47-6,605.43

Finding the Fourth Proportional to 11,640.22, 16,063.47 and 6,605.43

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Solution

The fourth proportional to 11,640.22, 16,063.47 and 6,605.43 is: 9,115.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,640.22 : 16,063.47 = 6,605.43 : x
  2. Step 2: Convert to fraction form
    11,640.22/16,063.47 = 6,605.43/x
  3. Step 3: Cross multiply
    11,640.22x = 16,063.47 × 6,605.43
  4. Step 4: Simplify right side
    11,640.22x = 106,106,126.64
  5. Step 5: Solve for x
    x = 106,106,126.64/11,640.22
  6. Step 6: Final answer
    x = 9,115.47

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1.5x scale

Why These Related Problems?

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