Home / 13,578.66-20,363.00-4,691.73

Finding the Fourth Proportional to 13,578.66, 20,363.00 and 4,691.73

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Solution

The fourth proportional to 13,578.66, 20,363.00 and 4,691.73 is: 7,035.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,578.66 : 20,363.00 = 4,691.73 : x
  2. Step 2: Convert to fraction form
    13,578.66/20,363.00 = 4,691.73/x
  3. Step 3: Cross multiply
    13,578.66x = 20,363.00 × 4,691.73
  4. Step 4: Simplify right side
    13,578.66x = 95,537,750.89
  5. Step 5: Solve for x
    x = 95,537,750.89/13,578.66
  6. Step 6: Final answer
    x = 7,035.87

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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.