Home / 12,127.73-18,195.03-5,104.22

Finding the Fourth Proportional to 12,127.73, 18,195.03 and 5,104.22

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Solution

The fourth proportional to 12,127.73, 18,195.03 and 5,104.22 is: 7,657.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127.73 : 18,195.03 = 5,104.22 : x
  2. Step 2: Convert to fraction form
    12,127.73/18,195.03 = 5,104.22/x
  3. Step 3: Cross multiply
    12,127.73x = 18,195.03 × 5,104.22
  4. Step 4: Simplify right side
    12,127.73x = 92,871,345.05
  5. Step 5: Solve for x
    x = 92,871,345.05/12,127.73
  6. Step 6: Final answer
    x = 7,657.77

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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.