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Finding the Fourth Proportional to 9,999, 13,798.62 and 5,808.06

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Solution

The fourth proportional to 9,999, 13,798.62 and 5,808.06 is: 8,015.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,999 : 13,798.62 = 5,808.06 : x
  2. Step 2: Convert to fraction form
    9,999/13,798.62 = 5,808.06/x
  3. Step 3: Cross multiply
    9,999x = 13,798.62 × 5,808.06
  4. Step 4: Simplify right side
    9,999x = 80,143,212.88
  5. Step 5: Solve for x
    x = 80,143,212.88/9,999
  6. Step 6: Final answer
    x = 8,015.12

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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.