Home / 19,731.71-29,608.77-7,250.12

Finding the Fourth Proportional to 19,731.71, 29,608.77 and 7,250.12

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Solution

The fourth proportional to 19,731.71, 29,608.77 and 7,250.12 is: 10,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,731.71 : 29,608.77 = 7,250.12 : x
  2. Step 2: Convert to fraction form
    19,731.71/29,608.77 = 7,250.12/x
  3. Step 3: Cross multiply
    19,731.71x = 29,608.77 × 7,250.12
  4. Step 4: Simplify right side
    19,731.71x = 214,667,135.55
  5. Step 5: Solve for x
    x = 214,667,135.55/19,731.71
  6. Step 6: Final answer
    x = 10,879.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.