Home / 13,546.75-18,694.89-7,579.45

Finding the Fourth Proportional to 13,546.75, 18,694.89 and 7,579.45

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Solution

The fourth proportional to 13,546.75, 18,694.89 and 7,579.45 is: 10,459.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,546.75 : 18,694.89 = 7,579.45 : x
  2. Step 2: Convert to fraction form
    13,546.75/18,694.89 = 7,579.45/x
  3. Step 3: Cross multiply
    13,546.75x = 18,694.89 × 7,579.45
  4. Step 4: Simplify right side
    13,546.75x = 141,696,984.01
  5. Step 5: Solve for x
    x = 141,696,984.01/13,546.75
  6. Step 6: Final answer
    x = 10,459.85

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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.