Home / 11,257.96-16,885.32-6,580.12

Finding the Fourth Proportional to 11,257.96, 16,885.32 and 6,580.12

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Solution

The fourth proportional to 11,257.96, 16,885.32 and 6,580.12 is: 9,869.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.96 : 16,885.32 = 6,580.12 : x
  2. Step 2: Convert to fraction form
    11,257.96/16,885.32 = 6,580.12/x
  3. Step 3: Cross multiply
    11,257.96x = 16,885.32 × 6,580.12
  4. Step 4: Simplify right side
    11,257.96x = 111,107,431.84
  5. Step 5: Solve for x
    x = 111,107,431.84/11,257.96
  6. Step 6: Final answer
    x = 9,869.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.