Home / 12,687.44-19,029.24-4,366.16

Finding the Fourth Proportional to 12,687.44, 19,029.24 and 4,366.16

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Solution

The fourth proportional to 12,687.44, 19,029.24 and 4,366.16 is: 6,548.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687.44 : 19,029.24 = 4,366.16 : x
  2. Step 2: Convert to fraction form
    12,687.44/19,029.24 = 4,366.16/x
  3. Step 3: Cross multiply
    12,687.44x = 19,029.24 × 4,366.16
  4. Step 4: Simplify right side
    12,687.44x = 83,084,706.52
  5. Step 5: Solve for x
    x = 83,084,706.52/12,687.44
  6. Step 6: Final answer
    x = 6,548.58

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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.