Home / 20,252.35-30,378.26-6,925.21

Finding the Fourth Proportional to 20,252.35, 30,378.26 and 6,925.21

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Solution

The fourth proportional to 20,252.35, 30,378.26 and 6,925.21 is: 10,387.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252.35 : 30,378.26 = 6,925.21 : x
  2. Step 2: Convert to fraction form
    20,252.35/30,378.26 = 6,925.21/x
  3. Step 3: Cross multiply
    20,252.35x = 30,378.26 × 6,925.21
  4. Step 4: Simplify right side
    20,252.35x = 210,375,829.93
  5. Step 5: Solve for x
    x = 210,375,829.93/20,252.35
  6. Step 6: Final answer
    x = 10,387.72

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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.