Home / 15,971.36-23,961.76-8,185.60

Finding the Fourth Proportional to 15,971.36, 23,961.76 and 8,185.60

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Solution

The fourth proportional to 15,971.36, 23,961.76 and 8,185.60 is: 12,280.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,971.36 : 23,961.76 = 8,185.60 : x
  2. Step 2: Convert to fraction form
    15,971.36/23,961.76 = 8,185.60/x
  3. Step 3: Cross multiply
    15,971.36x = 23,961.76 × 8,185.60
  4. Step 4: Simplify right side
    15,971.36x = 196,141,382.66
  5. Step 5: Solve for x
    x = 196,141,382.66/15,971.36
  6. Step 6: Final answer
    x = 12,280.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.