Home / 14,309.14-21,440.20-13,762.38

Finding the Fourth Proportional to 14,309.14, 21,440.20 and 13,762.38

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Solution

The fourth proportional to 14,309.14, 21,440.20 and 13,762.38 is: 20,620.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,309.14 : 21,440.20 = 13,762.38 : x
  2. Step 2: Convert to fraction form
    14,309.14/21,440.20 = 13,762.38/x
  3. Step 3: Cross multiply
    14,309.14x = 21,440.20 × 13,762.38
  4. Step 4: Simplify right side
    14,309.14x = 295,068,179.68
  5. Step 5: Solve for x
    x = 295,068,179.68/14,309.14
  6. Step 6: Final answer
    x = 20,620.96

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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.