Home / 21,759.96-32,639.40-6,968.82

Finding the Fourth Proportional to 21,759.96, 32,639.40 and 6,968.82

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Solution

The fourth proportional to 21,759.96, 32,639.40 and 6,968.82 is: 10,453.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,759.96 : 32,639.40 = 6,968.82 : x
  2. Step 2: Convert to fraction form
    21,759.96/32,639.40 = 6,968.82/x
  3. Step 3: Cross multiply
    21,759.96x = 32,639.40 × 6,968.82
  4. Step 4: Simplify right side
    21,759.96x = 227,458,103.51
  5. Step 5: Solve for x
    x = 227,458,103.51/21,759.96
  6. Step 6: Final answer
    x = 10,453.06

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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.