Home / 9,908.20-13,676.88-6,762.16

Finding the Fourth Proportional to 9,908.20, 13,676.88 and 6,762.16

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Solution

The fourth proportional to 9,908.20, 13,676.88 and 6,762.16 is: 9,334.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,908.20 : 13,676.88 = 6,762.16 : x
  2. Step 2: Convert to fraction form
    9,908.20/13,676.88 = 6,762.16/x
  3. Step 3: Cross multiply
    9,908.20x = 13,676.88 × 6,762.16
  4. Step 4: Simplify right side
    9,908.20x = 92,485,250.86
  5. Step 5: Solve for x
    x = 92,485,250.86/9,908.20
  6. Step 6: Final answer
    x = 9,334.21

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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.