Home / 13,660.88-18,853.37-7,995.29

Finding the Fourth Proportional to 13,660.88, 18,853.37 and 7,995.29

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Solution

The fourth proportional to 13,660.88, 18,853.37 and 7,995.29 is: 11,034.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660.88 : 18,853.37 = 7,995.29 : x
  2. Step 2: Convert to fraction form
    13,660.88/18,853.37 = 7,995.29/x
  3. Step 3: Cross multiply
    13,660.88x = 18,853.37 × 7,995.29
  4. Step 4: Simplify right side
    13,660.88x = 150,738,253.20
  5. Step 5: Solve for x
    x = 150,738,253.20/13,660.88
  6. Step 6: Final answer
    x = 11,034.30

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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.