Home / 20,404.46-30,606.96-11,628.92

Finding the Fourth Proportional to 20,404.46, 30,606.96 and 11,628.92

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Solution

The fourth proportional to 20,404.46, 30,606.96 and 11,628.92 is: 17,443.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,404.46 : 30,606.96 = 11,628.92 : x
  2. Step 2: Convert to fraction form
    20,404.46/30,606.96 = 11,628.92/x
  3. Step 3: Cross multiply
    20,404.46x = 30,606.96 × 11,628.92
  4. Step 4: Simplify right side
    20,404.46x = 355,925,889.28
  5. Step 5: Solve for x
    x = 355,925,889.28/20,404.46
  6. Step 6: Final answer
    x = 17,443.53

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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.