Home / 14,490.32-21,731.16-4,629.20

Finding the Fourth Proportional to 14,490.32, 21,731.16 and 4,629.20

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Solution

The fourth proportional to 14,490.32, 21,731.16 and 4,629.20 is: 6,942.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,490.32 : 21,731.16 = 4,629.20 : x
  2. Step 2: Convert to fraction form
    14,490.32/21,731.16 = 4,629.20/x
  3. Step 3: Cross multiply
    14,490.32x = 21,731.16 × 4,629.20
  4. Step 4: Simplify right side
    14,490.32x = 100,597,885.87
  5. Step 5: Solve for x
    x = 100,597,885.87/14,490.32
  6. Step 6: Final answer
    x = 6,942.42

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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.