Home / 16,708.73-23,057.34-9,990.38

Finding the Fourth Proportional to 16,708.73, 23,057.34 and 9,990.38

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Solution

The fourth proportional to 16,708.73, 23,057.34 and 9,990.38 is: 13,786.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,708.73 : 23,057.34 = 9,990.38 : x
  2. Step 2: Convert to fraction form
    16,708.73/23,057.34 = 9,990.38/x
  3. Step 3: Cross multiply
    16,708.73x = 23,057.34 × 9,990.38
  4. Step 4: Simplify right side
    16,708.73x = 230,351,646.03
  5. Step 5: Solve for x
    x = 230,351,646.03/16,708.73
  6. Step 6: Final answer
    x = 13,786.31

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Double scale
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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.