Home / 11,882.88-16,396.40-6,847.28

Finding the Fourth Proportional to 11,882.88, 16,396.40 and 6,847.28

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Solution

The fourth proportional to 11,882.88, 16,396.40 and 6,847.28 is: 9,448.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,882.88 : 16,396.40 = 6,847.28 : x
  2. Step 2: Convert to fraction form
    11,882.88/16,396.40 = 6,847.28/x
  3. Step 3: Cross multiply
    11,882.88x = 16,396.40 × 6,847.28
  4. Step 4: Simplify right side
    11,882.88x = 112,270,741.79
  5. Step 5: Solve for x
    x = 112,270,741.79/11,882.88
  6. Step 6: Final answer
    x = 9,448.11

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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.