Home / 12,396.37-18,594.60-8,715.07

Finding the Fourth Proportional to 12,396.37, 18,594.60 and 8,715.07

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Solution

The fourth proportional to 12,396.37, 18,594.60 and 8,715.07 is: 13,072.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396.37 : 18,594.60 = 8,715.07 : x
  2. Step 2: Convert to fraction form
    12,396.37/18,594.60 = 8,715.07/x
  3. Step 3: Cross multiply
    12,396.37x = 18,594.60 × 8,715.07
  4. Step 4: Simplify right side
    12,396.37x = 162,053,240.62
  5. Step 5: Solve for x
    x = 162,053,240.62/12,396.37
  6. Step 6: Final answer
    x = 13,072.64

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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.