Home / 20,626.45-30,941.90-6,581.55

Finding the Fourth Proportional to 20,626.45, 30,941.90 and 6,581.55

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Solution

The fourth proportional to 20,626.45, 30,941.90 and 6,581.55 is: 9,873.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626.45 : 30,941.90 = 6,581.55 : x
  2. Step 2: Convert to fraction form
    20,626.45/30,941.90 = 6,581.55/x
  3. Step 3: Cross multiply
    20,626.45x = 30,941.90 × 6,581.55
  4. Step 4: Simplify right side
    20,626.45x = 203,645,769.75
  5. Step 5: Solve for x
    x = 203,645,769.75/20,626.45
  6. Step 6: Final answer
    x = 9,873.04

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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.