Home / 20,364.85-30,558.48-8,527.11

Finding the Fourth Proportional to 20,364.85, 30,558.48 and 8,527.11

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Solution

The fourth proportional to 20,364.85, 30,558.48 and 8,527.11 is: 12,795.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,364.85 : 30,558.48 = 8,527.11 : x
  2. Step 2: Convert to fraction form
    20,364.85/30,558.48 = 8,527.11/x
  3. Step 3: Cross multiply
    20,364.85x = 30,558.48 × 8,527.11
  4. Step 4: Simplify right side
    20,364.85x = 260,575,520.39
  5. Step 5: Solve for x
    x = 260,575,520.39/20,364.85
  6. Step 6: Final answer
    x = 12,795.36

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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.