Home / 14,379.54-21,569.32-4,519.68

Finding the Fourth Proportional to 14,379.54, 21,569.32 and 4,519.68

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Solution

The fourth proportional to 14,379.54, 21,569.32 and 4,519.68 is: 6,779.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,379.54 : 21,569.32 = 4,519.68 : x
  2. Step 2: Convert to fraction form
    14,379.54/21,569.32 = 4,519.68/x
  3. Step 3: Cross multiply
    14,379.54x = 21,569.32 × 4,519.68
  4. Step 4: Simplify right side
    14,379.54x = 97,486,424.22
  5. Step 5: Solve for x
    x = 97,486,424.22/14,379.54
  6. Step 6: Final answer
    x = 6,779.52

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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.