Home / 12,133.77-18,195.39-5,110.26

Finding the Fourth Proportional to 12,133.77, 18,195.39 and 5,110.26

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Solution

The fourth proportional to 12,133.77, 18,195.39 and 5,110.26 is: 7,663.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133.77 : 18,195.39 = 5,110.26 : x
  2. Step 2: Convert to fraction form
    12,133.77/18,195.39 = 5,110.26/x
  3. Step 3: Cross multiply
    12,133.77x = 18,195.39 × 5,110.26
  4. Step 4: Simplify right side
    12,133.77x = 92,983,173.70
  5. Step 5: Solve for x
    x = 92,983,173.70/12,133.77
  6. Step 6: Final answer
    x = 7,663.17

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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.