Home / 13,584.54-18,748.21-9,046.97

Finding the Fourth Proportional to 13,584.54, 18,748.21 and 9,046.97

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Solution

The fourth proportional to 13,584.54, 18,748.21 and 9,046.97 is: 12,485.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.54 : 18,748.21 = 9,046.97 : x
  2. Step 2: Convert to fraction form
    13,584.54/18,748.21 = 9,046.97/x
  3. Step 3: Cross multiply
    13,584.54x = 18,748.21 × 9,046.97
  4. Step 4: Simplify right side
    13,584.54x = 169,614,495.06
  5. Step 5: Solve for x
    x = 169,614,495.06/13,584.54
  6. Step 6: Final answer
    x = 12,485.85

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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.