Home / 9,945.22-14,918.02-7,961.64

Finding the Fourth Proportional to 9,945.22, 14,918.02 and 7,961.64

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Solution

The fourth proportional to 9,945.22, 14,918.02 and 7,961.64 is: 11,942.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,945.22 : 14,918.02 = 7,961.64 : x
  2. Step 2: Convert to fraction form
    9,945.22/14,918.02 = 7,961.64/x
  3. Step 3: Cross multiply
    9,945.22x = 14,918.02 × 7,961.64
  4. Step 4: Simplify right side
    9,945.22x = 118,771,957.60
  5. Step 5: Solve for x
    x = 118,771,957.60/9,945.22
  6. Step 6: Final answer
    x = 11,942.62

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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.