Home / 11,205.27-15,464.16-6,170.40

Finding the Fourth Proportional to 11,205.27, 15,464.16 and 6,170.40

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Solution

The fourth proportional to 11,205.27, 15,464.16 and 6,170.40 is: 8,515.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205.27 : 15,464.16 = 6,170.40 : x
  2. Step 2: Convert to fraction form
    11,205.27/15,464.16 = 6,170.40/x
  3. Step 3: Cross multiply
    11,205.27x = 15,464.16 × 6,170.40
  4. Step 4: Simplify right side
    11,205.27x = 95,420,052.86
  5. Step 5: Solve for x
    x = 95,420,052.86/11,205.27
  6. Step 6: Final answer
    x = 8,515.64

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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.