Home / 14,631.88-21,896.79-11,968.60

Finding the Fourth Proportional to 14,631.88, 21,896.79 and 11,968.60

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Solution

The fourth proportional to 14,631.88, 21,896.79 and 11,968.60 is: 17,911.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631.88 : 21,896.79 = 11,968.60 : x
  2. Step 2: Convert to fraction form
    14,631.88/21,896.79 = 11,968.60/x
  3. Step 3: Cross multiply
    14,631.88x = 21,896.79 × 11,968.60
  4. Step 4: Simplify right side
    14,631.88x = 262,073,920.79
  5. Step 5: Solve for x
    x = 262,073,920.79/14,631.88
  6. Step 6: Final answer
    x = 17,911.16

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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.