Home / 20,522.96-30,789.19-6,484.38

Finding the Fourth Proportional to 20,522.96, 30,789.19 and 6,484.38

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Solution

The fourth proportional to 20,522.96, 30,789.19 and 6,484.38 is: 9,728.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,522.96 : 30,789.19 = 6,484.38 : x
  2. Step 2: Convert to fraction form
    20,522.96/30,789.19 = 6,484.38/x
  3. Step 3: Cross multiply
    20,522.96x = 30,789.19 × 6,484.38
  4. Step 4: Simplify right side
    20,522.96x = 199,648,807.85
  5. Step 5: Solve for x
    x = 199,648,807.85/20,522.96
  6. Step 6: Final answer
    x = 9,728.07

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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.