Home / 12,214.25-16,856.04-6,908.96

Finding the Fourth Proportional to 12,214.25, 16,856.04 and 6,908.96

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Solution

The fourth proportional to 12,214.25, 16,856.04 and 6,908.96 is: 9,534.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214.25 : 16,856.04 = 6,908.96 : x
  2. Step 2: Convert to fraction form
    12,214.25/16,856.04 = 6,908.96/x
  3. Step 3: Cross multiply
    12,214.25x = 16,856.04 × 6,908.96
  4. Step 4: Simplify right side
    12,214.25x = 116,457,621.84
  5. Step 5: Solve for x
    x = 116,457,621.84/12,214.25
  6. Step 6: Final answer
    x = 9,534.57

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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.