Home / 14,618.09-21,917.50-5,253.41

Finding the Fourth Proportional to 14,618.09, 21,917.50 and 5,253.41

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Solution

The fourth proportional to 14,618.09, 21,917.50 and 5,253.41 is: 7,876.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.09 : 21,917.50 = 5,253.41 : x
  2. Step 2: Convert to fraction form
    14,618.09/21,917.50 = 5,253.41/x
  3. Step 3: Cross multiply
    14,618.09x = 21,917.50 × 5,253.41
  4. Step 4: Simplify right side
    14,618.09x = 115,141,587.41
  5. Step 5: Solve for x
    x = 115,141,587.41/14,618.09
  6. Step 6: Final answer
    x = 7,876.65

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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.