Home / 13,454.11-20,181.21-6,523.75

Finding the Fourth Proportional to 13,454.11, 20,181.21 and 6,523.75

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Solution

The fourth proportional to 13,454.11, 20,181.21 and 6,523.75 is: 9,785.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,454.11 : 20,181.21 = 6,523.75 : x
  2. Step 2: Convert to fraction form
    13,454.11/20,181.21 = 6,523.75/x
  3. Step 3: Cross multiply
    13,454.11x = 20,181.21 × 6,523.75
  4. Step 4: Simplify right side
    13,454.11x = 131,657,168.74
  5. Step 5: Solve for x
    x = 131,657,168.74/13,454.11
  6. Step 6: Final answer
    x = 9,785.65

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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.