Home / 21,968.12-32,955.40-6,383.72

Finding the Fourth Proportional to 21,968.12, 32,955.40 and 6,383.72

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Solution

The fourth proportional to 21,968.12, 32,955.40 and 6,383.72 is: 9,576.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,968.12 : 32,955.40 = 6,383.72 : x
  2. Step 2: Convert to fraction form
    21,968.12/32,955.40 = 6,383.72/x
  3. Step 3: Cross multiply
    21,968.12x = 32,955.40 × 6,383.72
  4. Step 4: Simplify right side
    21,968.12x = 210,378,046.09
  5. Step 5: Solve for x
    x = 210,378,046.09/21,968.12
  6. Step 6: Final answer
    x = 9,576.52

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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.