Home / 12,136.83-18,206.25-3,253.42

Finding the Fourth Proportional to 12,136.83, 18,206.25 and 3,253.42

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Solution

The fourth proportional to 12,136.83, 18,206.25 and 3,253.42 is: 4,880.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136.83 : 18,206.25 = 3,253.42 : x
  2. Step 2: Convert to fraction form
    12,136.83/18,206.25 = 3,253.42/x
  3. Step 3: Cross multiply
    12,136.83x = 18,206.25 × 3,253.42
  4. Step 4: Simplify right side
    12,136.83x = 59,232,577.88
  5. Step 5: Solve for x
    x = 59,232,577.88/12,136.83
  6. Step 6: Final answer
    x = 4,880.40

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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.