Home / 20,370.74-30,549.60-8,524.49

Finding the Fourth Proportional to 20,370.74, 30,549.60 and 8,524.49

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Solution

The fourth proportional to 20,370.74, 30,549.60 and 8,524.49 is: 12,784.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,370.74 : 30,549.60 = 8,524.49 : x
  2. Step 2: Convert to fraction form
    20,370.74/30,549.60 = 8,524.49/x
  3. Step 3: Cross multiply
    20,370.74x = 30,549.60 × 8,524.49
  4. Step 4: Simplify right side
    20,370.74x = 260,419,606.96
  5. Step 5: Solve for x
    x = 260,419,606.96/20,370.74
  6. Step 6: Final answer
    x = 12,784.01

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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.