Home / 11,996.42-17,998.77-4,980.20

Finding the Fourth Proportional to 11,996.42, 17,998.77 and 4,980.20

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Solution

The fourth proportional to 11,996.42, 17,998.77 and 4,980.20 is: 7,472.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.42 : 17,998.77 = 4,980.20 : x
  2. Step 2: Convert to fraction form
    11,996.42/17,998.77 = 4,980.20/x
  3. Step 3: Cross multiply
    11,996.42x = 17,998.77 × 4,980.20
  4. Step 4: Simplify right side
    11,996.42x = 89,637,474.35
  5. Step 5: Solve for x
    x = 89,637,474.35/11,996.42
  6. Step 6: Final answer
    x = 7,472.02

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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.