Home / 20,667.46-30,996.52-5,876.05

Finding the Fourth Proportional to 20,667.46, 30,996.52 and 5,876.05

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Solution

The fourth proportional to 20,667.46, 30,996.52 and 5,876.05 is: 8,812.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,667.46 : 30,996.52 = 5,876.05 : x
  2. Step 2: Convert to fraction form
    20,667.46/30,996.52 = 5,876.05/x
  3. Step 3: Cross multiply
    20,667.46x = 30,996.52 × 5,876.05
  4. Step 4: Simplify right side
    20,667.46x = 182,137,101.35
  5. Step 5: Solve for x
    x = 182,137,101.35/20,667.46
  6. Step 6: Final answer
    x = 8,812.75

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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.