Home / 21,747.28-32,636.94-9,914.44

Finding the Fourth Proportional to 21,747.28, 32,636.94 and 9,914.44

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Solution

The fourth proportional to 21,747.28, 32,636.94 and 9,914.44 is: 14,878.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,747.28 : 32,636.94 = 9,914.44 : x
  2. Step 2: Convert to fraction form
    21,747.28/32,636.94 = 9,914.44/x
  3. Step 3: Cross multiply
    21,747.28x = 32,636.94 × 9,914.44
  4. Step 4: Simplify right side
    21,747.28x = 323,576,983.41
  5. Step 5: Solve for x
    x = 323,576,983.41/21,747.28
  6. Step 6: Final answer
    x = 14,878.96

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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.