Home / 20,584.05-30,885.29-9,484.79

Finding the Fourth Proportional to 20,584.05, 30,885.29 and 9,484.79

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Solution

The fourth proportional to 20,584.05, 30,885.29 and 9,484.79 is: 14,231.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,584.05 : 30,885.29 = 9,484.79 : x
  2. Step 2: Convert to fraction form
    20,584.05/30,885.29 = 9,484.79/x
  3. Step 3: Cross multiply
    20,584.05x = 30,885.29 × 9,484.79
  4. Step 4: Simplify right side
    20,584.05x = 292,940,489.74
  5. Step 5: Solve for x
    x = 292,940,489.74/20,584.05
  6. Step 6: Final answer
    x = 14,231.43

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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.