Home / 14,219.09-21,324-4,728.86

Finding the Fourth Proportional to 14,219.09, 21,324 and 4,728.86

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Solution

The fourth proportional to 14,219.09, 21,324 and 4,728.86 is: 7,091.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,219.09 : 21,324 = 4,728.86 : x
  2. Step 2: Convert to fraction form
    14,219.09/21,324 = 4,728.86/x
  3. Step 3: Cross multiply
    14,219.09x = 21,324 × 4,728.86
  4. Step 4: Simplify right side
    14,219.09x = 100,838,104.02
  5. Step 5: Solve for x
    x = 100,838,104.02/14,219.09
  6. Step 6: Final answer
    x = 7,091.74

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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.