Home / 11,301.04-16,951.20-2,980.80

Finding the Fourth Proportional to 11,301.04, 16,951.20 and 2,980.80

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Solution

The fourth proportional to 11,301.04, 16,951.20 and 2,980.80 is: 4,471.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,301.04 : 16,951.20 = 2,980.80 : x
  2. Step 2: Convert to fraction form
    11,301.04/16,951.20 = 2,980.80/x
  3. Step 3: Cross multiply
    11,301.04x = 16,951.20 × 2,980.80
  4. Step 4: Simplify right side
    11,301.04x = 50,528,136.96
  5. Step 5: Solve for x
    x = 50,528,136.96/11,301.04
  6. Step 6: Final answer
    x = 4,471.11

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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.