Home / 20,613.32-30,922.36-6,568.40

Finding the Fourth Proportional to 20,613.32, 30,922.36 and 6,568.40

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Solution

The fourth proportional to 20,613.32, 30,922.36 and 6,568.40 is: 9,853.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,613.32 : 30,922.36 = 6,568.40 : x
  2. Step 2: Convert to fraction form
    20,613.32/30,922.36 = 6,568.40/x
  3. Step 3: Cross multiply
    20,613.32x = 30,922.36 × 6,568.40
  4. Step 4: Simplify right side
    20,613.32x = 203,110,429.42
  5. Step 5: Solve for x
    x = 203,110,429.42/20,613.32
  6. Step 6: Final answer
    x = 9,853.36

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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.