Home / 21,563.69-29,757.67-12,003.44

Finding the Fourth Proportional to 21,563.69, 29,757.67 and 12,003.44

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Solution

The fourth proportional to 21,563.69, 29,757.67 and 12,003.44 is: 16,564.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,563.69 : 29,757.67 = 12,003.44 : x
  2. Step 2: Convert to fraction form
    21,563.69/29,757.67 = 12,003.44/x
  3. Step 3: Cross multiply
    21,563.69x = 29,757.67 × 12,003.44
  4. Step 4: Simplify right side
    21,563.69x = 357,194,227.59
  5. Step 5: Solve for x
    x = 357,194,227.59/21,563.69
  6. Step 6: Final answer
    x = 16,564.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.