Home / 14,453.28-21,679.88-4,065

Finding the Fourth Proportional to 14,453.28, 21,679.88 and 4,065

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Solution

The fourth proportional to 14,453.28, 21,679.88 and 4,065 is: 6,097.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,453.28 : 21,679.88 = 4,065 : x
  2. Step 2: Convert to fraction form
    14,453.28/21,679.88 = 4,065/x
  3. Step 3: Cross multiply
    14,453.28x = 21,679.88 × 4,065
  4. Step 4: Simplify right side
    14,453.28x = 88,128,712.20
  5. Step 5: Solve for x
    x = 88,128,712.20/14,453.28
  6. Step 6: Final answer
    x = 6,097.49

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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.