Home / 13,524.01-20,261.78-8,256.31

Finding the Fourth Proportional to 13,524.01, 20,261.78 and 8,256.31

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Solution

The fourth proportional to 13,524.01, 20,261.78 and 8,256.31 is: 12,369.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.01 : 20,261.78 = 8,256.31 : x
  2. Step 2: Convert to fraction form
    13,524.01/20,261.78 = 8,256.31/x
  3. Step 3: Cross multiply
    13,524.01x = 20,261.78 × 8,256.31
  4. Step 4: Simplify right side
    13,524.01x = 167,287,475.86
  5. Step 5: Solve for x
    x = 167,287,475.86/13,524.01
  6. Step 6: Final answer
    x = 12,369.67

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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.