Home / 11,615.19-17,422.80-2,850.03

Finding the Fourth Proportional to 11,615.19, 17,422.80 and 2,850.03

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Solution

The fourth proportional to 11,615.19, 17,422.80 and 2,850.03 is: 4,275.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.19 : 17,422.80 = 2,850.03 : x
  2. Step 2: Convert to fraction form
    11,615.19/17,422.80 = 2,850.03/x
  3. Step 3: Cross multiply
    11,615.19x = 17,422.80 × 2,850.03
  4. Step 4: Simplify right side
    11,615.19x = 49,655,502.68
  5. Step 5: Solve for x
    x = 49,655,502.68/11,615.19
  6. Step 6: Final answer
    x = 4,275.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.