Home / 13,949.56-19,250.34-7,661.96

Finding the Fourth Proportional to 13,949.56, 19,250.34 and 7,661.96

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Solution

The fourth proportional to 13,949.56, 19,250.34 and 7,661.96 is: 10,573.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.56 : 19,250.34 = 7,661.96 : x
  2. Step 2: Convert to fraction form
    13,949.56/19,250.34 = 7,661.96/x
  3. Step 3: Cross multiply
    13,949.56x = 19,250.34 × 7,661.96
  4. Step 4: Simplify right side
    13,949.56x = 147,495,335.07
  5. Step 5: Solve for x
    x = 147,495,335.07/13,949.56
  6. Step 6: Final answer
    x = 10,573.48

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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.