Home / 17,983.68-26,958.96-12,142.32

Finding the Fourth Proportional to 17,983.68, 26,958.96 and 12,142.32

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Solution

The fourth proportional to 17,983.68, 26,958.96 and 12,142.32 is: 18,202.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,983.68 : 26,958.96 = 12,142.32 : x
  2. Step 2: Convert to fraction form
    17,983.68/26,958.96 = 12,142.32/x
  3. Step 3: Cross multiply
    17,983.68x = 26,958.96 × 12,142.32
  4. Step 4: Simplify right side
    17,983.68x = 327,344,319.19
  5. Step 5: Solve for x
    x = 327,344,319.19/17,983.68
  6. Step 6: Final answer
    x = 18,202.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.