Home / 20,313.33-30,470.78-6,272.11

Finding the Fourth Proportional to 20,313.33, 30,470.78 and 6,272.11

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Solution

The fourth proportional to 20,313.33, 30,470.78 and 6,272.11 is: 9,408.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,313.33 : 30,470.78 = 6,272.11 : x
  2. Step 2: Convert to fraction form
    20,313.33/30,470.78 = 6,272.11/x
  3. Step 3: Cross multiply
    20,313.33x = 30,470.78 × 6,272.11
  4. Step 4: Simplify right side
    20,313.33x = 191,116,083.95
  5. Step 5: Solve for x
    x = 191,116,083.95/20,313.33
  6. Step 6: Final answer
    x = 9,408.41

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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.