Home / 14,512.20-21,752.10-6,190.80

Finding the Fourth Proportional to 14,512.20, 21,752.10 and 6,190.80

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Solution

The fourth proportional to 14,512.20, 21,752.10 and 6,190.80 is: 9,279.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,512.20 : 21,752.10 = 6,190.80 : x
  2. Step 2: Convert to fraction form
    14,512.20/21,752.10 = 6,190.80/x
  3. Step 3: Cross multiply
    14,512.20x = 21,752.10 × 6,190.80
  4. Step 4: Simplify right side
    14,512.20x = 134,662,900.68
  5. Step 5: Solve for x
    x = 134,662,900.68/14,512.20
  6. Step 6: Final answer
    x = 9,279.29

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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.