Home / 14,202.46-21,303.69-3,814.21

Finding the Fourth Proportional to 14,202.46, 21,303.69 and 3,814.21

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Solution

The fourth proportional to 14,202.46, 21,303.69 and 3,814.21 is: 5,721.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,202.46 : 21,303.69 = 3,814.21 : x
  2. Step 2: Convert to fraction form
    14,202.46/21,303.69 = 3,814.21/x
  3. Step 3: Cross multiply
    14,202.46x = 21,303.69 × 3,814.21
  4. Step 4: Simplify right side
    14,202.46x = 81,256,756.97
  5. Step 5: Solve for x
    x = 81,256,756.97/14,202.46
  6. Step 6: Final answer
    x = 5,721.32

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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.