Home / 11,930.65-16,463.60-6,625.15

Finding the Fourth Proportional to 11,930.65, 16,463.60 and 6,625.15

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Solution

The fourth proportional to 11,930.65, 16,463.60 and 6,625.15 is: 9,142.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.65 : 16,463.60 = 6,625.15 : x
  2. Step 2: Convert to fraction form
    11,930.65/16,463.60 = 6,625.15/x
  3. Step 3: Cross multiply
    11,930.65x = 16,463.60 × 6,625.15
  4. Step 4: Simplify right side
    11,930.65x = 109,073,786.41
  5. Step 5: Solve for x
    x = 109,073,786.41/11,930.65
  6. Step 6: Final answer
    x = 9,142.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.