Home / 9,911.14-13,673.55-6,376.30

Finding the Fourth Proportional to 9,911.14, 13,673.55 and 6,376.30

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Solution

The fourth proportional to 9,911.14, 13,673.55 and 6,376.30 is: 8,796.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,911.14 : 13,673.55 = 6,376.30 : x
  2. Step 2: Convert to fraction form
    9,911.14/13,673.55 = 6,376.30/x
  3. Step 3: Cross multiply
    9,911.14x = 13,673.55 × 6,376.30
  4. Step 4: Simplify right side
    9,911.14x = 87,186,656.87
  5. Step 5: Solve for x
    x = 87,186,656.87/9,911.14
  6. Step 6: Final answer
    x = 8,796.83

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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.