Home / 13,800.24-20,713.35-7,231.04

Finding the Fourth Proportional to 13,800.24, 20,713.35 and 7,231.04

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Solution

The fourth proportional to 13,800.24, 20,713.35 and 7,231.04 is: 10,853.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,800.24 : 20,713.35 = 7,231.04 : x
  2. Step 2: Convert to fraction form
    13,800.24/20,713.35 = 7,231.04/x
  3. Step 3: Cross multiply
    13,800.24x = 20,713.35 × 7,231.04
  4. Step 4: Simplify right side
    13,800.24x = 149,778,958.82
  5. Step 5: Solve for x
    x = 149,778,958.82/13,800.24
  6. Step 6: Final answer
    x = 10,853.36

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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.