Home / 11,489.32-17,230.38-7,614.28

Finding the Fourth Proportional to 11,489.32, 17,230.38 and 7,614.28

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Solution

The fourth proportional to 11,489.32, 17,230.38 and 7,614.28 is: 11,419.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,489.32 : 17,230.38 = 7,614.28 : x
  2. Step 2: Convert to fraction form
    11,489.32/17,230.38 = 7,614.28/x
  3. Step 3: Cross multiply
    11,489.32x = 17,230.38 × 7,614.28
  4. Step 4: Simplify right side
    11,489.32x = 131,196,937.83
  5. Step 5: Solve for x
    x = 131,196,937.83/11,489.32
  6. Step 6: Final answer
    x = 11,419.03

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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.