Home / 20,624.85-30,937.37-8,776.94

Finding the Fourth Proportional to 20,624.85, 30,937.37 and 8,776.94

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Solution

The fourth proportional to 20,624.85, 30,937.37 and 8,776.94 is: 13,165.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,624.85 : 30,937.37 = 8,776.94 : x
  2. Step 2: Convert to fraction form
    20,624.85/30,937.37 = 8,776.94/x
  3. Step 3: Cross multiply
    20,624.85x = 30,937.37 × 8,776.94
  4. Step 4: Simplify right side
    20,624.85x = 271,535,241.68
  5. Step 5: Solve for x
    x = 271,535,241.68/20,624.85
  6. Step 6: Final answer
    x = 13,165.44

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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.