Home / 12,626.33-18,915.25-7,062.80

Finding the Fourth Proportional to 12,626.33, 18,915.25 and 7,062.80

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Solution

The fourth proportional to 12,626.33, 18,915.25 and 7,062.80 is: 10,580.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,626.33 : 18,915.25 = 7,062.80 : x
  2. Step 2: Convert to fraction form
    12,626.33/18,915.25 = 7,062.80/x
  3. Step 3: Cross multiply
    12,626.33x = 18,915.25 × 7,062.80
  4. Step 4: Simplify right side
    12,626.33x = 133,594,668.44
  5. Step 5: Solve for x
    x = 133,594,668.44/12,626.33
  6. Step 6: Final answer
    x = 10,580.64

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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.