Home / 21,196.62-31,798.44-6,404.94

Finding the Fourth Proportional to 21,196.62, 31,798.44 and 6,404.94

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Solution

The fourth proportional to 21,196.62, 31,798.44 and 6,404.94 is: 9,608.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,196.62 : 31,798.44 = 6,404.94 : x
  2. Step 2: Convert to fraction form
    21,196.62/31,798.44 = 6,404.94/x
  3. Step 3: Cross multiply
    21,196.62x = 31,798.44 × 6,404.94
  4. Step 4: Simplify right side
    21,196.62x = 203,667,100.29
  5. Step 5: Solve for x
    x = 203,667,100.29/21,196.62
  6. Step 6: Final answer
    x = 9,608.47

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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.