Home / 8,813.16-12,149.46-6,713.64

Finding the Fourth Proportional to 8,813.16, 12,149.46 and 6,713.64

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Solution

The fourth proportional to 8,813.16, 12,149.46 and 6,713.64 is: 9,255.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.16 : 12,149.46 = 6,713.64 : x
  2. Step 2: Convert to fraction form
    8,813.16/12,149.46 = 6,713.64/x
  3. Step 3: Cross multiply
    8,813.16x = 12,149.46 × 6,713.64
  4. Step 4: Simplify right side
    8,813.16x = 81,567,100.63
  5. Step 5: Solve for x
    x = 81,567,100.63/8,813.16
  6. Step 6: Final answer
    x = 9,255.15

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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.