Home / 21,226.64-29,292.90-13,273.52

Finding the Fourth Proportional to 21,226.64, 29,292.90 and 13,273.52

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Solution

The fourth proportional to 21,226.64, 29,292.90 and 13,273.52 is: 18,317.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,226.64 : 29,292.90 = 13,273.52 : x
  2. Step 2: Convert to fraction form
    21,226.64/29,292.90 = 13,273.52/x
  3. Step 3: Cross multiply
    21,226.64x = 29,292.90 × 13,273.52
  4. Step 4: Simplify right side
    21,226.64x = 388,819,747.54
  5. Step 5: Solve for x
    x = 388,819,747.54/21,226.64
  6. Step 6: Final answer
    x = 18,317.54

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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.