Home / 21,229.04-29,296-11,798.48

Finding the Fourth Proportional to 21,229.04, 29,296 and 11,798.48

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Solution

The fourth proportional to 21,229.04, 29,296 and 11,798.48 is: 16,281.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,229.04 : 29,296 = 11,798.48 : x
  2. Step 2: Convert to fraction form
    21,229.04/29,296 = 11,798.48/x
  3. Step 3: Cross multiply
    21,229.04x = 29,296 × 11,798.48
  4. Step 4: Simplify right side
    21,229.04x = 345,648,270.08
  5. Step 5: Solve for x
    x = 345,648,270.08/21,229.04
  6. Step 6: Final answer
    x = 16,281.86

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1.5x scale

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.