Home / 19,996.56-30,001.32-9,609.12

Finding the Fourth Proportional to 19,996.56, 30,001.32 and 9,609.12

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Solution

The fourth proportional to 19,996.56, 30,001.32 and 9,609.12 is: 14,416.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,996.56 : 30,001.32 = 9,609.12 : x
  2. Step 2: Convert to fraction form
    19,996.56/30,001.32 = 9,609.12/x
  3. Step 3: Cross multiply
    19,996.56x = 30,001.32 × 9,609.12
  4. Step 4: Simplify right side
    19,996.56x = 288,286,284.04
  5. Step 5: Solve for x
    x = 288,286,284.04/19,996.56
  6. Step 6: Final answer
    x = 14,416.79

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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.