Home / 13,814.29-20,718.42-3,950.92

Finding the Fourth Proportional to 13,814.29, 20,718.42 and 3,950.92

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Solution

The fourth proportional to 13,814.29, 20,718.42 and 3,950.92 is: 5,925.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,814.29 : 20,718.42 = 3,950.92 : x
  2. Step 2: Convert to fraction form
    13,814.29/20,718.42 = 3,950.92/x
  3. Step 3: Cross multiply
    13,814.29x = 20,718.42 × 3,950.92
  4. Step 4: Simplify right side
    13,814.29x = 81,856,819.95
  5. Step 5: Solve for x
    x = 81,856,819.95/13,814.29
  6. Step 6: Final answer
    x = 5,925.52

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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.