Home / 20,846.03-28,764.81-11,892.96

Finding the Fourth Proportional to 20,846.03, 28,764.81 and 11,892.96

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Solution

The fourth proportional to 20,846.03, 28,764.81 and 11,892.96 is: 16,410.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,846.03 : 28,764.81 = 11,892.96 : x
  2. Step 2: Convert to fraction form
    20,846.03/28,764.81 = 11,892.96/x
  3. Step 3: Cross multiply
    20,846.03x = 28,764.81 × 11,892.96
  4. Step 4: Simplify right side
    20,846.03x = 342,098,734.74
  5. Step 5: Solve for x
    x = 342,098,734.74/20,846.03
  6. Step 6: Final answer
    x = 16,410.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.