Home / 16,728.95-23,085.96-9,175.60

Finding the Fourth Proportional to 16,728.95, 23,085.96 and 9,175.60

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Solution

The fourth proportional to 16,728.95, 23,085.96 and 9,175.60 is: 12,662.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,728.95 : 23,085.96 = 9,175.60 : x
  2. Step 2: Convert to fraction form
    16,728.95/23,085.96 = 9,175.60/x
  3. Step 3: Cross multiply
    16,728.95x = 23,085.96 × 9,175.60
  4. Step 4: Simplify right side
    16,728.95x = 211,827,476.86
  5. Step 5: Solve for x
    x = 211,827,476.86/16,728.95
  6. Step 6: Final answer
    x = 12,662.33

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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.