Home / 13,546.45-18,693.23-7,577.09

Finding the Fourth Proportional to 13,546.45, 18,693.23 and 7,577.09

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Solution

The fourth proportional to 13,546.45, 18,693.23 and 7,577.09 is: 10,455.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,546.45 : 18,693.23 = 7,577.09 : x
  2. Step 2: Convert to fraction form
    13,546.45/18,693.23 = 7,577.09/x
  3. Step 3: Cross multiply
    13,546.45x = 18,693.23 × 7,577.09
  4. Step 4: Simplify right side
    13,546.45x = 141,640,286.10
  5. Step 5: Solve for x
    x = 141,640,286.10/13,546.45
  6. Step 6: Final answer
    x = 10,455.90

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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.