Home / 12,769.20-17,621.10-7,466.94

Finding the Fourth Proportional to 12,769.20, 17,621.10 and 7,466.94

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Solution

The fourth proportional to 12,769.20, 17,621.10 and 7,466.94 is: 10,304.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769.20 : 17,621.10 = 7,466.94 : x
  2. Step 2: Convert to fraction form
    12,769.20/17,621.10 = 7,466.94/x
  3. Step 3: Cross multiply
    12,769.20x = 17,621.10 × 7,466.94
  4. Step 4: Simplify right side
    12,769.20x = 131,575,696.43
  5. Step 5: Solve for x
    x = 131,575,696.43/12,769.20
  6. Step 6: Final answer
    x = 10,304.15

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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.