Home / 20,533.96-28,337.94-11,701.96

Finding the Fourth Proportional to 20,533.96, 28,337.94 and 11,701.96

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Solution

The fourth proportional to 20,533.96, 28,337.94 and 11,701.96 is: 16,149.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,533.96 : 28,337.94 = 11,701.96 : x
  2. Step 2: Convert to fraction form
    20,533.96/28,337.94 = 11,701.96/x
  3. Step 3: Cross multiply
    20,533.96x = 28,337.94 × 11,701.96
  4. Step 4: Simplify right side
    20,533.96x = 331,609,440.36
  5. Step 5: Solve for x
    x = 331,609,440.36/20,533.96
  6. Step 6: Final answer
    x = 16,149.32

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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.