Home / 13,486.07-20,229.11-4,718.97

Finding the Fourth Proportional to 13,486.07, 20,229.11 and 4,718.97

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Solution

The fourth proportional to 13,486.07, 20,229.11 and 4,718.97 is: 7,078.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486.07 : 20,229.11 = 4,718.97 : x
  2. Step 2: Convert to fraction form
    13,486.07/20,229.11 = 4,718.97/x
  3. Step 3: Cross multiply
    13,486.07x = 20,229.11 × 4,718.97
  4. Step 4: Simplify right side
    13,486.07x = 95,460,539.62
  5. Step 5: Solve for x
    x = 95,460,539.62/13,486.07
  6. Step 6: Final answer
    x = 7,078.46

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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.