Home / 11,317.21-16,975.81-4,297.23

Finding the Fourth Proportional to 11,317.21, 16,975.81 and 4,297.23

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Solution

The fourth proportional to 11,317.21, 16,975.81 and 4,297.23 is: 6,445.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,317.21 : 16,975.81 = 4,297.23 : x
  2. Step 2: Convert to fraction form
    11,317.21/16,975.81 = 4,297.23/x
  3. Step 3: Cross multiply
    11,317.21x = 16,975.81 × 4,297.23
  4. Step 4: Simplify right side
    11,317.21x = 72,948,928.96
  5. Step 5: Solve for x
    x = 72,948,928.96/11,317.21
  6. Step 6: Final answer
    x = 6,445.84

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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.