Home / 14,130.92-21,198.72-4,771.82

Finding the Fourth Proportional to 14,130.92, 21,198.72 and 4,771.82

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Solution

The fourth proportional to 14,130.92, 21,198.72 and 4,771.82 is: 7,158.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.92 : 21,198.72 = 4,771.82 : x
  2. Step 2: Convert to fraction form
    14,130.92/21,198.72 = 4,771.82/x
  3. Step 3: Cross multiply
    14,130.92x = 21,198.72 × 4,771.82
  4. Step 4: Simplify right side
    14,130.92x = 101,156,476.07
  5. Step 5: Solve for x
    x = 101,156,476.07/14,130.92
  6. Step 6: Final answer
    x = 7,158.52

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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.