Home / 12,214.89-16,856.88-6,910.50

Finding the Fourth Proportional to 12,214.89, 16,856.88 and 6,910.50

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Solution

The fourth proportional to 12,214.89, 16,856.88 and 6,910.50 is: 9,536.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214.89 : 16,856.88 = 6,910.50 : x
  2. Step 2: Convert to fraction form
    12,214.89/16,856.88 = 6,910.50/x
  3. Step 3: Cross multiply
    12,214.89x = 16,856.88 × 6,910.50
  4. Step 4: Simplify right side
    12,214.89x = 116,489,469.24
  5. Step 5: Solve for x
    x = 116,489,469.24/12,214.89
  6. Step 6: Final answer
    x = 9,536.68

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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.