Home / 12,757.36-19,136.40-3,523.36

Finding the Fourth Proportional to 12,757.36, 19,136.40 and 3,523.36

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Solution

The fourth proportional to 12,757.36, 19,136.40 and 3,523.36 is: 5,285.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,757.36 : 19,136.40 = 3,523.36 : x
  2. Step 2: Convert to fraction form
    12,757.36/19,136.40 = 3,523.36/x
  3. Step 3: Cross multiply
    12,757.36x = 19,136.40 × 3,523.36
  4. Step 4: Simplify right side
    12,757.36x = 67,424,426.30
  5. Step 5: Solve for x
    x = 67,424,426.30/12,757.36
  6. Step 6: Final answer
    x = 5,285.14

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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.