Home / 14,128.66-21,193.12-4,268.02

Finding the Fourth Proportional to 14,128.66, 21,193.12 and 4,268.02

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Solution

The fourth proportional to 14,128.66, 21,193.12 and 4,268.02 is: 6,402.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128.66 : 21,193.12 = 4,268.02 : x
  2. Step 2: Convert to fraction form
    14,128.66/21,193.12 = 4,268.02/x
  3. Step 3: Cross multiply
    14,128.66x = 21,193.12 × 4,268.02
  4. Step 4: Simplify right side
    14,128.66x = 90,452,660.02
  5. Step 5: Solve for x
    x = 90,452,660.02/14,128.66
  6. Step 6: Final answer
    x = 6,402.07

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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.