Home / 13,823.12-20,736.07-4,460.94

Finding the Fourth Proportional to 13,823.12, 20,736.07 and 4,460.94

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Solution

The fourth proportional to 13,823.12, 20,736.07 and 4,460.94 is: 6,691.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823.12 : 20,736.07 = 4,460.94 : x
  2. Step 2: Convert to fraction form
    13,823.12/20,736.07 = 4,460.94/x
  3. Step 3: Cross multiply
    13,823.12x = 20,736.07 × 4,460.94
  4. Step 4: Simplify right side
    13,823.12x = 92,502,352.95
  5. Step 5: Solve for x
    x = 92,502,352.95/13,823.12
  6. Step 6: Final answer
    x = 6,691.86

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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.