Home / 13,659.05-18,850.43-7,610.24

Finding the Fourth Proportional to 13,659.05, 18,850.43 and 7,610.24

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Solution

The fourth proportional to 13,659.05, 18,850.43 and 7,610.24 is: 10,502.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,659.05 : 18,850.43 = 7,610.24 : x
  2. Step 2: Convert to fraction form
    13,659.05/18,850.43 = 7,610.24/x
  3. Step 3: Cross multiply
    13,659.05x = 18,850.43 × 7,610.24
  4. Step 4: Simplify right side
    13,659.05x = 143,456,258.35
  5. Step 5: Solve for x
    x = 143,456,258.35/13,659.05
  6. Step 6: Final answer
    x = 10,502.65

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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.