Home / 14,238.74-21,343.25-4,876

Finding the Fourth Proportional to 14,238.74, 21,343.25 and 4,876

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Solution

The fourth proportional to 14,238.74, 21,343.25 and 4,876 is: 7,308.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,238.74 : 21,343.25 = 4,876 : x
  2. Step 2: Convert to fraction form
    14,238.74/21,343.25 = 4,876/x
  3. Step 3: Cross multiply
    14,238.74x = 21,343.25 × 4,876
  4. Step 4: Simplify right side
    14,238.74x = 104,069,687
  5. Step 5: Solve for x
    x = 104,069,687/14,238.74
  6. Step 6: Final answer
    x = 7,308.91

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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.