Home / 12,225-16,827.66-10,650.36

Finding the Fourth Proportional to 12,225, 16,827.66 and 10,650.36

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Solution

The fourth proportional to 12,225, 16,827.66 and 10,650.36 is: 14,660.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,225 : 16,827.66 = 10,650.36 : x
  2. Step 2: Convert to fraction form
    12,225/16,827.66 = 10,650.36/x
  3. Step 3: Cross multiply
    12,225x = 16,827.66 × 10,650.36
  4. Step 4: Simplify right side
    12,225x = 179,220,636.96
  5. Step 5: Solve for x
    x = 179,220,636.96/12,225
  6. Step 6: Final answer
    x = 14,660.17

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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.