Home / 20,748.48-28,635.33-11,797.32

Finding the Fourth Proportional to 20,748.48, 28,635.33 and 11,797.32

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Solution

The fourth proportional to 20,748.48, 28,635.33 and 11,797.32 is: 16,281.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,748.48 : 28,635.33 = 11,797.32 : x
  2. Step 2: Convert to fraction form
    20,748.48/28,635.33 = 11,797.32/x
  3. Step 3: Cross multiply
    20,748.48x = 28,635.33 × 11,797.32
  4. Step 4: Simplify right side
    20,748.48x = 337,820,151.32
  5. Step 5: Solve for x
    x = 337,820,151.32/20,748.48
  6. Step 6: Final answer
    x = 16,281.68

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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.