Home / 12,170.39-16,795.14-7,133.60

Finding the Fourth Proportional to 12,170.39, 16,795.14 and 7,133.60

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Solution

The fourth proportional to 12,170.39, 16,795.14 and 7,133.60 is: 9,844.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170.39 : 16,795.14 = 7,133.60 : x
  2. Step 2: Convert to fraction form
    12,170.39/16,795.14 = 7,133.60/x
  3. Step 3: Cross multiply
    12,170.39x = 16,795.14 × 7,133.60
  4. Step 4: Simplify right side
    12,170.39x = 119,809,726.73
  5. Step 5: Solve for x
    x = 119,809,726.73/12,170.39
  6. Step 6: Final answer
    x = 9,844.37

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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.