Home / 13,604.33-18,772.67-7,634.63

Finding the Fourth Proportional to 13,604.33, 18,772.67 and 7,634.63

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Solution

The fourth proportional to 13,604.33, 18,772.67 and 7,634.63 is: 10,535.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604.33 : 18,772.67 = 7,634.63 : x
  2. Step 2: Convert to fraction form
    13,604.33/18,772.67 = 7,634.63/x
  3. Step 3: Cross multiply
    13,604.33x = 18,772.67 × 7,634.63
  4. Step 4: Simplify right side
    13,604.33x = 143,322,314.79
  5. Step 5: Solve for x
    x = 143,322,314.79/13,604.33
  6. Step 6: Final answer
    x = 10,535.06

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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.