Home / 13,326.88-19,990.42-4,561.87

Finding the Fourth Proportional to 13,326.88, 19,990.42 and 4,561.87

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Solution

The fourth proportional to 13,326.88, 19,990.42 and 4,561.87 is: 6,842.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.88 : 19,990.42 = 4,561.87 : x
  2. Step 2: Convert to fraction form
    13,326.88/19,990.42 = 4,561.87/x
  3. Step 3: Cross multiply
    13,326.88x = 19,990.42 × 4,561.87
  4. Step 4: Simplify right side
    13,326.88x = 91,193,597.33
  5. Step 5: Solve for x
    x = 91,193,597.33/13,326.88
  6. Step 6: Final answer
    x = 6,842.83

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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.