Home / 14,640.11-21,961.37-4,779.17

Finding the Fourth Proportional to 14,640.11, 21,961.37 and 4,779.17

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Solution

The fourth proportional to 14,640.11, 21,961.37 and 4,779.17 is: 7,169.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.11 : 21,961.37 = 4,779.17 : x
  2. Step 2: Convert to fraction form
    14,640.11/21,961.37 = 4,779.17/x
  3. Step 3: Cross multiply
    14,640.11x = 21,961.37 × 4,779.17
  4. Step 4: Simplify right side
    14,640.11x = 104,957,022.80
  5. Step 5: Solve for x
    x = 104,957,022.80/14,640.11
  6. Step 6: Final answer
    x = 7,169.14

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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.