Home / 14,104.80-21,155.60-3,717.36

Finding the Fourth Proportional to 14,104.80, 21,155.60 and 3,717.36

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Solution

The fourth proportional to 14,104.80, 21,155.60 and 3,717.36 is: 5,575.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104.80 : 21,155.60 = 3,717.36 : x
  2. Step 2: Convert to fraction form
    14,104.80/21,155.60 = 3,717.36/x
  3. Step 3: Cross multiply
    14,104.80x = 21,155.60 × 3,717.36
  4. Step 4: Simplify right side
    14,104.80x = 78,642,981.22
  5. Step 5: Solve for x
    x = 78,642,981.22/14,104.80
  6. Step 6: Final answer
    x = 5,575.62

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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.