Home / 16,728.36-23,085.36-9,653.46

Finding the Fourth Proportional to 16,728.36, 23,085.36 and 9,653.46

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Solution

The fourth proportional to 16,728.36, 23,085.36 and 9,653.46 is: 13,321.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,728.36 : 23,085.36 = 9,653.46 : x
  2. Step 2: Convert to fraction form
    16,728.36/23,085.36 = 9,653.46/x
  3. Step 3: Cross multiply
    16,728.36x = 23,085.36 × 9,653.46
  4. Step 4: Simplify right side
    16,728.36x = 222,853,599.35
  5. Step 5: Solve for x
    x = 222,853,599.35/16,728.36
  6. Step 6: Final answer
    x = 13,321.90

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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.