Home / 14,128.35-21,192.69-4,268.07

Finding the Fourth Proportional to 14,128.35, 21,192.69 and 4,268.07

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Solution

The fourth proportional to 14,128.35, 21,192.69 and 4,268.07 is: 6,402.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128.35 : 21,192.69 = 4,268.07 : x
  2. Step 2: Convert to fraction form
    14,128.35/21,192.69 = 4,268.07/x
  3. Step 3: Cross multiply
    14,128.35x = 21,192.69 × 4,268.07
  4. Step 4: Simplify right side
    14,128.35x = 90,451,884.41
  5. Step 5: Solve for x
    x = 90,451,884.41/14,128.35
  6. Step 6: Final answer
    x = 6,402.15

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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.