Home / 12,914.38-19,369.02-3,551.98

Finding the Fourth Proportional to 12,914.38, 19,369.02 and 3,551.98

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Solution

The fourth proportional to 12,914.38, 19,369.02 and 3,551.98 is: 5,327.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,914.38 : 19,369.02 = 3,551.98 : x
  2. Step 2: Convert to fraction form
    12,914.38/19,369.02 = 3,551.98/x
  3. Step 3: Cross multiply
    12,914.38x = 19,369.02 × 3,551.98
  4. Step 4: Simplify right side
    12,914.38x = 68,798,371.66
  5. Step 5: Solve for x
    x = 68,798,371.66/12,914.38
  6. Step 6: Final answer
    x = 5,327.27

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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.