Home / 20,445.42-30,679.94-8,598.25

Finding the Fourth Proportional to 20,445.42, 30,679.94 and 8,598.25

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Solution

The fourth proportional to 20,445.42, 30,679.94 and 8,598.25 is: 12,902.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,445.42 : 30,679.94 = 8,598.25 : x
  2. Step 2: Convert to fraction form
    20,445.42/30,679.94 = 8,598.25/x
  3. Step 3: Cross multiply
    20,445.42x = 30,679.94 × 8,598.25
  4. Step 4: Simplify right side
    20,445.42x = 263,793,794.11
  5. Step 5: Solve for x
    x = 263,793,794.11/20,445.42
  6. Step 6: Final answer
    x = 12,902.34

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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.