Home / 13,949.42-19,250.06-7,661.79

Finding the Fourth Proportional to 13,949.42, 19,250.06 and 7,661.79

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Solution

The fourth proportional to 13,949.42, 19,250.06 and 7,661.79 is: 10,573.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.42 : 19,250.06 = 7,661.79 : x
  2. Step 2: Convert to fraction form
    13,949.42/19,250.06 = 7,661.79/x
  3. Step 3: Cross multiply
    13,949.42x = 19,250.06 × 7,661.79
  4. Step 4: Simplify right side
    13,949.42x = 147,489,878.90
  5. Step 5: Solve for x
    x = 147,489,878.90/13,949.42
  6. Step 6: Final answer
    x = 10,573.19

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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.