Home / 13,326.86-19,986.12-4,559.73

Finding the Fourth Proportional to 13,326.86, 19,986.12 and 4,559.73

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Solution

The fourth proportional to 13,326.86, 19,986.12 and 4,559.73 is: 6,838.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.86 : 19,986.12 = 4,559.73 : x
  2. Step 2: Convert to fraction form
    13,326.86/19,986.12 = 4,559.73/x
  3. Step 3: Cross multiply
    13,326.86x = 19,986.12 × 4,559.73
  4. Step 4: Simplify right side
    13,326.86x = 91,131,310.95
  5. Step 5: Solve for x
    x = 91,131,310.95/13,326.86
  6. Step 6: Final answer
    x = 6,838.17

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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.