Home / 20,613.45-30,922.44-6,570.21

Finding the Fourth Proportional to 20,613.45, 30,922.44 and 6,570.21

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Solution

The fourth proportional to 20,613.45, 30,922.44 and 6,570.21 is: 9,856.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,613.45 : 30,922.44 = 6,570.21 : x
  2. Step 2: Convert to fraction form
    20,613.45/30,922.44 = 6,570.21/x
  3. Step 3: Cross multiply
    20,613.45x = 30,922.44 × 6,570.21
  4. Step 4: Simplify right side
    20,613.45x = 203,166,924.51
  5. Step 5: Solve for x
    x = 203,166,924.51/20,613.45
  6. Step 6: Final answer
    x = 9,856.04

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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.