Home / 17,933.40-26,867.70-10,999.80

Finding the Fourth Proportional to 17,933.40, 26,867.70 and 10,999.80

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Solution

The fourth proportional to 17,933.40, 26,867.70 and 10,999.80 is: 16,479.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,933.40 : 26,867.70 = 10,999.80 : x
  2. Step 2: Convert to fraction form
    17,933.40/26,867.70 = 10,999.80/x
  3. Step 3: Cross multiply
    17,933.40x = 26,867.70 × 10,999.80
  4. Step 4: Simplify right side
    17,933.40x = 295,539,326.46
  5. Step 5: Solve for x
    x = 295,539,326.46/17,933.40
  6. Step 6: Final answer
    x = 16,479.83

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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.