Home / 21,354.44-29,470.43-11,923.00

Finding the Fourth Proportional to 21,354.44, 29,470.43 and 11,923.00

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Solution

The fourth proportional to 21,354.44, 29,470.43 and 11,923.00 is: 16,454.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,354.44 : 29,470.43 = 11,923.00 : x
  2. Step 2: Convert to fraction form
    21,354.44/29,470.43 = 11,923.00/x
  3. Step 3: Cross multiply
    21,354.44x = 29,470.43 × 11,923.00
  4. Step 4: Simplify right side
    21,354.44x = 351,375,893.02
  5. Step 5: Solve for x
    x = 351,375,893.02/21,354.44
  6. Step 6: Final answer
    x = 16,454.47

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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.