Home / 13,133.80-18,101.82-11,267.56

Finding the Fourth Proportional to 13,133.80, 18,101.82 and 11,267.56

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Solution

The fourth proportional to 13,133.80, 18,101.82 and 11,267.56 is: 15,529.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133.80 : 18,101.82 = 11,267.56 : x
  2. Step 2: Convert to fraction form
    13,133.80/18,101.82 = 11,267.56/x
  3. Step 3: Cross multiply
    13,133.80x = 18,101.82 × 11,267.56
  4. Step 4: Simplify right side
    13,133.80x = 203,963,342.96
  5. Step 5: Solve for x
    x = 203,963,342.96/13,133.80
  6. Step 6: Final answer
    x = 15,529.65

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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.