Home / 13,546.55-18,695.78-7,579.73

Finding the Fourth Proportional to 13,546.55, 18,695.78 and 7,579.73

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Solution

The fourth proportional to 13,546.55, 18,695.78 and 7,579.73 is: 10,460.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,546.55 : 18,695.78 = 7,579.73 : x
  2. Step 2: Convert to fraction form
    13,546.55/18,695.78 = 7,579.73/x
  3. Step 3: Cross multiply
    13,546.55x = 18,695.78 × 7,579.73
  4. Step 4: Simplify right side
    13,546.55x = 141,708,890.01
  5. Step 5: Solve for x
    x = 141,708,890.01/13,546.55
  6. Step 6: Final answer
    x = 10,460.89

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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.