Home / 11,279.63-16,921.02-4,704.31

Finding the Fourth Proportional to 11,279.63, 16,921.02 and 4,704.31

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Solution

The fourth proportional to 11,279.63, 16,921.02 and 4,704.31 is: 7,057.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279.63 : 16,921.02 = 4,704.31 : x
  2. Step 2: Convert to fraction form
    11,279.63/16,921.02 = 4,704.31/x
  3. Step 3: Cross multiply
    11,279.63x = 16,921.02 × 4,704.31
  4. Step 4: Simplify right side
    11,279.63x = 79,601,762.39
  5. Step 5: Solve for x
    x = 79,601,762.39/11,279.63
  6. Step 6: Final answer
    x = 7,057.12

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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.