Home / 20,463.03-28,244.70-11,967.75

Finding the Fourth Proportional to 20,463.03, 28,244.70 and 11,967.75

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Solution

The fourth proportional to 20,463.03, 28,244.70 and 11,967.75 is: 16,518.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,463.03 : 28,244.70 = 11,967.75 : x
  2. Step 2: Convert to fraction form
    20,463.03/28,244.70 = 11,967.75/x
  3. Step 3: Cross multiply
    20,463.03x = 28,244.70 × 11,967.75
  4. Step 4: Simplify right side
    20,463.03x = 338,025,508.43
  5. Step 5: Solve for x
    x = 338,025,508.43/20,463.03
  6. Step 6: Final answer
    x = 16,518.84

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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.