Home / 8,130.24-12,196.32-7,644.48

Finding the Fourth Proportional to 8,130.24, 12,196.32 and 7,644.48

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Solution

The fourth proportional to 8,130.24, 12,196.32 and 7,644.48 is: 11,467.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.24 : 12,196.32 = 7,644.48 : x
  2. Step 2: Convert to fraction form
    8,130.24/12,196.32 = 7,644.48/x
  3. Step 3: Cross multiply
    8,130.24x = 12,196.32 × 7,644.48
  4. Step 4: Simplify right side
    8,130.24x = 93,234,524.31
  5. Step 5: Solve for x
    x = 93,234,524.31/8,130.24
  6. Step 6: Final answer
    x = 11,467.62

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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.