Home / 14,918.54-22,379.85-7,518.96

Finding the Fourth Proportional to 14,918.54, 22,379.85 and 7,518.96

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Solution

The fourth proportional to 14,918.54, 22,379.85 and 7,518.96 is: 11,279.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918.54 : 22,379.85 = 7,518.96 : x
  2. Step 2: Convert to fraction form
    14,918.54/22,379.85 = 7,518.96/x
  3. Step 3: Cross multiply
    14,918.54x = 22,379.85 × 7,518.96
  4. Step 4: Simplify right side
    14,918.54x = 168,273,196.96
  5. Step 5: Solve for x
    x = 168,273,196.96/14,918.54
  6. Step 6: Final answer
    x = 11,279.47

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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.