Home / 21,259.96-29,336.88-11,829.04

Finding the Fourth Proportional to 21,259.96, 29,336.88 and 11,829.04

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Solution

The fourth proportional to 21,259.96, 29,336.88 and 11,829.04 is: 16,323.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,259.96 : 29,336.88 = 11,829.04 : x
  2. Step 2: Convert to fraction form
    21,259.96/29,336.88 = 11,829.04/x
  3. Step 3: Cross multiply
    21,259.96x = 29,336.88 × 11,829.04
  4. Step 4: Simplify right side
    21,259.96x = 347,027,127.00
  5. Step 5: Solve for x
    x = 347,027,127.00/21,259.96
  6. Step 6: Final answer
    x = 16,323.04

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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.