Home / 12,318.19-16,999.10-6,652.94

Finding the Fourth Proportional to 12,318.19, 16,999.10 and 6,652.94

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Solution

The fourth proportional to 12,318.19, 16,999.10 and 6,652.94 is: 9,181.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,318.19 : 16,999.10 = 6,652.94 : x
  2. Step 2: Convert to fraction form
    12,318.19/16,999.10 = 6,652.94/x
  3. Step 3: Cross multiply
    12,318.19x = 16,999.10 × 6,652.94
  4. Step 4: Simplify right side
    12,318.19x = 113,093,899.04
  5. Step 5: Solve for x
    x = 113,093,899.04/12,318.19
  6. Step 6: Final answer
    x = 9,181.05

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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.