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Finding the Fourth Proportional to 9,993.63, 13,849.54 and 9,852.69

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Solution

The fourth proportional to 9,993.63, 13,849.54 and 9,852.69 is: 13,654.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,993.63 : 13,849.54 = 9,852.69 : x
  2. Step 2: Convert to fraction form
    9,993.63/13,849.54 = 9,852.69/x
  3. Step 3: Cross multiply
    9,993.63x = 13,849.54 × 9,852.69
  4. Step 4: Simplify right side
    9,993.63x = 136,455,175.00
  5. Step 5: Solve for x
    x = 136,455,175.00/9,993.63
  6. Step 6: Final answer
    x = 13,654.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.