Home / 16,878.22-25,318.54-6,489.96

Finding the Fourth Proportional to 16,878.22, 25,318.54 and 6,489.96

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Solution

The fourth proportional to 16,878.22, 25,318.54 and 6,489.96 is: 9,735.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878.22 : 25,318.54 = 6,489.96 : x
  2. Step 2: Convert to fraction form
    16,878.22/25,318.54 = 6,489.96/x
  3. Step 3: Cross multiply
    16,878.22x = 25,318.54 × 6,489.96
  4. Step 4: Simplify right side
    16,878.22x = 164,316,311.86
  5. Step 5: Solve for x
    x = 164,316,311.86/16,878.22
  6. Step 6: Final answer
    x = 9,735.41

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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.