Home / 14,390.26-21,579.72-6,992.53

Finding the Fourth Proportional to 14,390.26, 21,579.72 and 6,992.53

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Solution

The fourth proportional to 14,390.26, 21,579.72 and 6,992.53 is: 10,486.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390.26 : 21,579.72 = 6,992.53 : x
  2. Step 2: Convert to fraction form
    14,390.26/21,579.72 = 6,992.53/x
  3. Step 3: Cross multiply
    14,390.26x = 21,579.72 × 6,992.53
  4. Step 4: Simplify right side
    14,390.26x = 150,896,839.49
  5. Step 5: Solve for x
    x = 150,896,839.49/14,390.26
  6. Step 6: Final answer
    x = 10,486.04

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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.