Home / 20,326.48-30,495.21-8,476.34

Finding the Fourth Proportional to 20,326.48, 30,495.21 and 8,476.34

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Solution

The fourth proportional to 20,326.48, 30,495.21 and 8,476.34 is: 12,716.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,326.48 : 30,495.21 = 8,476.34 : x
  2. Step 2: Convert to fraction form
    20,326.48/30,495.21 = 8,476.34/x
  3. Step 3: Cross multiply
    20,326.48x = 30,495.21 × 8,476.34
  4. Step 4: Simplify right side
    20,326.48x = 258,487,584.07
  5. Step 5: Solve for x
    x = 258,487,584.07/20,326.48
  6. Step 6: Final answer
    x = 12,716.79

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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.