Home / 20,749.72-28,635.98-11,797.24

Finding the Fourth Proportional to 20,749.72, 28,635.98 and 11,797.24

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Solution

The fourth proportional to 20,749.72, 28,635.98 and 11,797.24 is: 16,280.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,749.72 : 28,635.98 = 11,797.24 : x
  2. Step 2: Convert to fraction form
    20,749.72/28,635.98 = 11,797.24/x
  3. Step 3: Cross multiply
    20,749.72x = 28,635.98 × 11,797.24
  4. Step 4: Simplify right side
    20,749.72x = 337,825,528.70
  5. Step 5: Solve for x
    x = 337,825,528.70/20,749.72
  6. Step 6: Final answer
    x = 16,280.97

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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.