Home / 11,851.53-16,350.12-8,317.05

Finding the Fourth Proportional to 11,851.53, 16,350.12 and 8,317.05

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Solution

The fourth proportional to 11,851.53, 16,350.12 and 8,317.05 is: 11,474.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,851.53 : 16,350.12 = 8,317.05 : x
  2. Step 2: Convert to fraction form
    11,851.53/16,350.12 = 8,317.05/x
  3. Step 3: Cross multiply
    11,851.53x = 16,350.12 × 8,317.05
  4. Step 4: Simplify right side
    11,851.53x = 135,984,765.55
  5. Step 5: Solve for x
    x = 135,984,765.55/11,851.53
  6. Step 6: Final answer
    x = 11,474.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.