Home / 10,996.40-16,494.60-9,786.80

Finding the Fourth Proportional to 10,996.40, 16,494.60 and 9,786.80

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Solution

The fourth proportional to 10,996.40, 16,494.60 and 9,786.80 is: 14,680.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,996.40 : 16,494.60 = 9,786.80 : x
  2. Step 2: Convert to fraction form
    10,996.40/16,494.60 = 9,786.80/x
  3. Step 3: Cross multiply
    10,996.40x = 16,494.60 × 9,786.80
  4. Step 4: Simplify right side
    10,996.40x = 161,429,351.28
  5. Step 5: Solve for x
    x = 161,429,351.28/10,996.40
  6. Step 6: Final answer
    x = 14,680.20

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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.