Home / 14,234.88-21,336-5,465.28

Finding the Fourth Proportional to 14,234.88, 21,336 and 5,465.28

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Solution

The fourth proportional to 14,234.88, 21,336 and 5,465.28 is: 8,191.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,234.88 : 21,336 = 5,465.28 : x
  2. Step 2: Convert to fraction form
    14,234.88/21,336 = 5,465.28/x
  3. Step 3: Cross multiply
    14,234.88x = 21,336 × 5,465.28
  4. Step 4: Simplify right side
    14,234.88x = 116,607,214.08
  5. Step 5: Solve for x
    x = 116,607,214.08/14,234.88
  6. Step 6: Final answer
    x = 8,191.65

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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.