Home / 12,932.23-19,400.16-4,609.78

Finding the Fourth Proportional to 12,932.23, 19,400.16 and 4,609.78

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Solution

The fourth proportional to 12,932.23, 19,400.16 and 4,609.78 is: 6,915.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932.23 : 19,400.16 = 4,609.78 : x
  2. Step 2: Convert to fraction form
    12,932.23/19,400.16 = 4,609.78/x
  3. Step 3: Cross multiply
    12,932.23x = 19,400.16 × 4,609.78
  4. Step 4: Simplify right side
    12,932.23x = 89,430,469.56
  5. Step 5: Solve for x
    x = 89,430,469.56/12,932.23
  6. Step 6: Final answer
    x = 6,915.32

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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.