Home / 13,761.61-20,645.36-4,273.73

Finding the Fourth Proportional to 13,761.61, 20,645.36 and 4,273.73

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Solution

The fourth proportional to 13,761.61, 20,645.36 and 4,273.73 is: 6,411.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,761.61 : 20,645.36 = 4,273.73 : x
  2. Step 2: Convert to fraction form
    13,761.61/20,645.36 = 4,273.73/x
  3. Step 3: Cross multiply
    13,761.61x = 20,645.36 × 4,273.73
  4. Step 4: Simplify right side
    13,761.61x = 88,232,663.24
  5. Step 5: Solve for x
    x = 88,232,663.24/13,761.61
  6. Step 6: Final answer
    x = 6,411.51

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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.