Home / 20,165.64-27,845.16-13,104.12

Finding the Fourth Proportional to 20,165.64, 27,845.16 and 13,104.12

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Solution

The fourth proportional to 20,165.64, 27,845.16 and 13,104.12 is: 18,094.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165.64 : 27,845.16 = 13,104.12 : x
  2. Step 2: Convert to fraction form
    20,165.64/27,845.16 = 13,104.12/x
  3. Step 3: Cross multiply
    20,165.64x = 27,845.16 × 13,104.12
  4. Step 4: Simplify right side
    20,165.64x = 364,886,318.06
  5. Step 5: Solve for x
    x = 364,886,318.06/20,165.64
  6. Step 6: Final answer
    x = 18,094.46

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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.