Home / 13,949.34-19,250.22-7,661.70

Finding the Fourth Proportional to 13,949.34, 19,250.22 and 7,661.70

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Solution

The fourth proportional to 13,949.34, 19,250.22 and 7,661.70 is: 10,573.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.34 : 19,250.22 = 7,661.70 : x
  2. Step 2: Convert to fraction form
    13,949.34/19,250.22 = 7,661.70/x
  3. Step 3: Cross multiply
    13,949.34x = 19,250.22 × 7,661.70
  4. Step 4: Simplify right side
    13,949.34x = 147,489,410.57
  5. Step 5: Solve for x
    x = 147,489,410.57/13,949.34
  6. Step 6: Final answer
    x = 10,573.22

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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.