Home / 12,119.67-16,725.39-7,084.11

Finding the Fourth Proportional to 12,119.67, 16,725.39 and 7,084.11

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Solution

The fourth proportional to 12,119.67, 16,725.39 and 7,084.11 is: 9,776.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,119.67 : 16,725.39 = 7,084.11 : x
  2. Step 2: Convert to fraction form
    12,119.67/16,725.39 = 7,084.11/x
  3. Step 3: Cross multiply
    12,119.67x = 16,725.39 × 7,084.11
  4. Step 4: Simplify right side
    12,119.67x = 118,484,418.93
  5. Step 5: Solve for x
    x = 118,484,418.93/12,119.67
  6. Step 6: Final answer
    x = 9,776.21

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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.