Home / 14,187.22-21,280.83-4,326.28

Finding the Fourth Proportional to 14,187.22, 21,280.83 and 4,326.28

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Solution

The fourth proportional to 14,187.22, 21,280.83 and 4,326.28 is: 6,489.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,187.22 : 21,280.83 = 4,326.28 : x
  2. Step 2: Convert to fraction form
    14,187.22/21,280.83 = 4,326.28/x
  3. Step 3: Cross multiply
    14,187.22x = 21,280.83 × 4,326.28
  4. Step 4: Simplify right side
    14,187.22x = 92,066,829.21
  5. Step 5: Solve for x
    x = 92,066,829.21/14,187.22
  6. Step 6: Final answer
    x = 6,489.42

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Similar ratio
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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.