Home / 13,561.13-20,354.84-6,546.08

Finding the Fourth Proportional to 13,561.13, 20,354.84 and 6,546.08

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Solution

The fourth proportional to 13,561.13, 20,354.84 and 6,546.08 is: 9,825.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561.13 : 20,354.84 = 6,546.08 : x
  2. Step 2: Convert to fraction form
    13,561.13/20,354.84 = 6,546.08/x
  3. Step 3: Cross multiply
    13,561.13x = 20,354.84 × 6,546.08
  4. Step 4: Simplify right side
    13,561.13x = 133,244,453.73
  5. Step 5: Solve for x
    x = 133,244,453.73/13,561.13
  6. Step 6: Final answer
    x = 9,825.47

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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.