Home / 11,816.11-16,306.26-6,438.52

Finding the Fourth Proportional to 11,816.11, 16,306.26 and 6,438.52

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Solution

The fourth proportional to 11,816.11, 16,306.26 and 6,438.52 is: 8,885.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816.11 : 16,306.26 = 6,438.52 : x
  2. Step 2: Convert to fraction form
    11,816.11/16,306.26 = 6,438.52/x
  3. Step 3: Cross multiply
    11,816.11x = 16,306.26 × 6,438.52
  4. Step 4: Simplify right side
    11,816.11x = 104,988,181.14
  5. Step 5: Solve for x
    x = 104,988,181.14/11,816.11
  6. Step 6: Final answer
    x = 8,885.17

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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.