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Finding the Fourth Proportional to 9,804.84, 14,707.25 and 3,957.65

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Solution

The fourth proportional to 9,804.84, 14,707.25 and 3,957.65 is: 5,936.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,804.84 : 14,707.25 = 3,957.65 : x
  2. Step 2: Convert to fraction form
    9,804.84/14,707.25 = 3,957.65/x
  3. Step 3: Cross multiply
    9,804.84x = 14,707.25 × 3,957.65
  4. Step 4: Simplify right side
    9,804.84x = 58,206,147.96
  5. Step 5: Solve for x
    x = 58,206,147.96/9,804.84
  6. Step 6: Final answer
    x = 5,936.47

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Double scale
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Similar ratio
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1.5x scale

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.