Home / 14,190.54-21,279.21-4,330.86

Finding the Fourth Proportional to 14,190.54, 21,279.21 and 4,330.86

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Solution

The fourth proportional to 14,190.54, 21,279.21 and 4,330.86 is: 6,494.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.54 : 21,279.21 = 4,330.86 : x
  2. Step 2: Convert to fraction form
    14,190.54/21,279.21 = 4,330.86/x
  3. Step 3: Cross multiply
    14,190.54x = 21,279.21 × 4,330.86
  4. Step 4: Simplify right side
    14,190.54x = 92,157,279.42
  5. Step 5: Solve for x
    x = 92,157,279.42/14,190.54
  6. Step 6: Final answer
    x = 6,494.28

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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.