Home / 11,885.08-16,403.21-6,850.05

Finding the Fourth Proportional to 11,885.08, 16,403.21 and 6,850.05

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Solution

The fourth proportional to 11,885.08, 16,403.21 and 6,850.05 is: 9,454.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,885.08 : 16,403.21 = 6,850.05 : x
  2. Step 2: Convert to fraction form
    11,885.08/16,403.21 = 6,850.05/x
  3. Step 3: Cross multiply
    11,885.08x = 16,403.21 × 6,850.05
  4. Step 4: Simplify right side
    11,885.08x = 112,362,808.66
  5. Step 5: Solve for x
    x = 112,362,808.66/11,885.08
  6. Step 6: Final answer
    x = 9,454.11

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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.