Home / 16,739.75-23,101.13-9,287.75

Finding the Fourth Proportional to 16,739.75, 23,101.13 and 9,287.75

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Solution

The fourth proportional to 16,739.75, 23,101.13 and 9,287.75 is: 12,817.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,739.75 : 23,101.13 = 9,287.75 : x
  2. Step 2: Convert to fraction form
    16,739.75/23,101.13 = 9,287.75/x
  3. Step 3: Cross multiply
    16,739.75x = 23,101.13 × 9,287.75
  4. Step 4: Simplify right side
    16,739.75x = 214,557,520.16
  5. Step 5: Solve for x
    x = 214,557,520.16/16,739.75
  6. Step 6: Final answer
    x = 12,817.25

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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.