Home / 12,996.30-19,496.48-4,229.16

Finding the Fourth Proportional to 12,996.30, 19,496.48 and 4,229.16

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Solution

The fourth proportional to 12,996.30, 19,496.48 and 4,229.16 is: 6,344.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,996.30 : 19,496.48 = 4,229.16 : x
  2. Step 2: Convert to fraction form
    12,996.30/19,496.48 = 4,229.16/x
  3. Step 3: Cross multiply
    12,996.30x = 19,496.48 × 4,229.16
  4. Step 4: Simplify right side
    12,996.30x = 82,453,733.36
  5. Step 5: Solve for x
    x = 82,453,733.36/12,996.30
  6. Step 6: Final answer
    x = 6,344.40

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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.