Home / 21,454.24-29,604-12,022.96

Finding the Fourth Proportional to 21,454.24, 29,604 and 12,022.96

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Solution

The fourth proportional to 21,454.24, 29,604 and 12,022.96 is: 16,590.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,454.24 : 29,604 = 12,022.96 : x
  2. Step 2: Convert to fraction form
    21,454.24/29,604 = 12,022.96/x
  3. Step 3: Cross multiply
    21,454.24x = 29,604 × 12,022.96
  4. Step 4: Simplify right side
    21,454.24x = 355,927,707.84
  5. Step 5: Solve for x
    x = 355,927,707.84/21,454.24
  6. Step 6: Final answer
    x = 16,590.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.