Home / 12,452.68-18,679.40-4,136.32

Finding the Fourth Proportional to 12,452.68, 18,679.40 and 4,136.32

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Solution

The fourth proportional to 12,452.68, 18,679.40 and 4,136.32 is: 6,204.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452.68 : 18,679.40 = 4,136.32 : x
  2. Step 2: Convert to fraction form
    12,452.68/18,679.40 = 4,136.32/x
  3. Step 3: Cross multiply
    12,452.68x = 18,679.40 × 4,136.32
  4. Step 4: Simplify right side
    12,452.68x = 77,263,975.81
  5. Step 5: Solve for x
    x = 77,263,975.81/12,452.68
  6. Step 6: Final answer
    x = 6,204.61

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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.