Home / 20,564.44-28,365.08-12,496.04

Finding the Fourth Proportional to 20,564.44, 28,365.08 and 12,496.04

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Solution

The fourth proportional to 20,564.44, 28,365.08 and 12,496.04 is: 17,236.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,564.44 : 28,365.08 = 12,496.04 : x
  2. Step 2: Convert to fraction form
    20,564.44/28,365.08 = 12,496.04/x
  3. Step 3: Cross multiply
    20,564.44x = 28,365.08 × 12,496.04
  4. Step 4: Simplify right side
    20,564.44x = 354,451,174.28
  5. Step 5: Solve for x
    x = 354,451,174.28/20,564.44
  6. Step 6: Final answer
    x = 17,236.12

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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.