Home / 12,824.21-17,697.25-9,043.44

Finding the Fourth Proportional to 12,824.21, 17,697.25 and 9,043.44

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Solution

The fourth proportional to 12,824.21, 17,697.25 and 9,043.44 is: 12,479.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,824.21 : 17,697.25 = 9,043.44 : x
  2. Step 2: Convert to fraction form
    12,824.21/17,697.25 = 9,043.44/x
  3. Step 3: Cross multiply
    12,824.21x = 17,697.25 × 9,043.44
  4. Step 4: Simplify right side
    12,824.21x = 160,044,018.54
  5. Step 5: Solve for x
    x = 160,044,018.54/12,824.21
  6. Step 6: Final answer
    x = 12,479.83

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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.