Home / 17,479.40-26,200.64-11,918.96

Finding the Fourth Proportional to 17,479.40, 26,200.64 and 11,918.96

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Solution

The fourth proportional to 17,479.40, 26,200.64 and 11,918.96 is: 17,865.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,479.40 : 26,200.64 = 11,918.96 : x
  2. Step 2: Convert to fraction form
    17,479.40/26,200.64 = 11,918.96/x
  3. Step 3: Cross multiply
    17,479.40x = 26,200.64 × 11,918.96
  4. Step 4: Simplify right side
    17,479.40x = 312,284,380.13
  5. Step 5: Solve for x
    x = 312,284,380.13/17,479.40
  6. Step 6: Final answer
    x = 17,865.85

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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.