Home / 11,962.88-17,900.43-9,983.62

Finding the Fourth Proportional to 11,962.88, 17,900.43 and 9,983.62

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Solution

The fourth proportional to 11,962.88, 17,900.43 and 9,983.62 is: 14,938.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,962.88 : 17,900.43 = 9,983.62 : x
  2. Step 2: Convert to fraction form
    11,962.88/17,900.43 = 9,983.62/x
  3. Step 3: Cross multiply
    11,962.88x = 17,900.43 × 9,983.62
  4. Step 4: Simplify right side
    11,962.88x = 178,711,090.96
  5. Step 5: Solve for x
    x = 178,711,090.96/11,962.88
  6. Step 6: Final answer
    x = 14,938.80

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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.