Home / 13,595.45-18,761.75-7,934.09

Finding the Fourth Proportional to 13,595.45, 18,761.75 and 7,934.09

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Solution

The fourth proportional to 13,595.45, 18,761.75 and 7,934.09 is: 10,949.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595.45 : 18,761.75 = 7,934.09 : x
  2. Step 2: Convert to fraction form
    13,595.45/18,761.75 = 7,934.09/x
  3. Step 3: Cross multiply
    13,595.45x = 18,761.75 × 7,934.09
  4. Step 4: Simplify right side
    13,595.45x = 148,857,413.06
  5. Step 5: Solve for x
    x = 148,857,413.06/13,595.45
  6. Step 6: Final answer
    x = 10,949.06

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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.