Home / 12,318.09-16,998.97-6,652.84

Finding the Fourth Proportional to 12,318.09, 16,998.97 and 6,652.84

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Solution

The fourth proportional to 12,318.09, 16,998.97 and 6,652.84 is: 9,180.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,318.09 : 16,998.97 = 6,652.84 : x
  2. Step 2: Convert to fraction form
    12,318.09/16,998.97 = 6,652.84/x
  3. Step 3: Cross multiply
    12,318.09x = 16,998.97 × 6,652.84
  4. Step 4: Simplify right side
    12,318.09x = 113,091,460.60
  5. Step 5: Solve for x
    x = 113,091,460.60/12,318.09
  6. Step 6: Final answer
    x = 9,180.92

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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.