Home / 12,896.48-19,344.76-3,536.64

Finding the Fourth Proportional to 12,896.48, 19,344.76 and 3,536.64

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Solution

The fourth proportional to 12,896.48, 19,344.76 and 3,536.64 is: 5,304.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896.48 : 19,344.76 = 3,536.64 : x
  2. Step 2: Convert to fraction form
    12,896.48/19,344.76 = 3,536.64/x
  3. Step 3: Cross multiply
    12,896.48x = 19,344.76 × 3,536.64
  4. Step 4: Simplify right side
    12,896.48x = 68,415,381.30
  5. Step 5: Solve for x
    x = 68,415,381.30/12,896.48
  6. Step 6: Final answer
    x = 5,304.96

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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.