Home / 20,747.60-28,628.99-11,794.91

Finding the Fourth Proportional to 20,747.60, 28,628.99 and 11,794.91

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Solution

The fourth proportional to 20,747.60, 28,628.99 and 11,794.91 is: 16,275.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,747.60 : 28,628.99 = 11,794.91 : x
  2. Step 2: Convert to fraction form
    20,747.60/28,628.99 = 11,794.91/x
  3. Step 3: Cross multiply
    20,747.60x = 28,628.99 × 11,794.91
  4. Step 4: Simplify right side
    20,747.60x = 337,676,301.47
  5. Step 5: Solve for x
    x = 337,676,301.47/20,747.60
  6. Step 6: Final answer
    x = 16,275.44

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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.