Home / 12,699.72-19,052.10-4,908.60

Finding the Fourth Proportional to 12,699.72, 19,052.10 and 4,908.60

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Solution

The fourth proportional to 12,699.72, 19,052.10 and 4,908.60 is: 7,363.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,699.72 : 19,052.10 = 4,908.60 : x
  2. Step 2: Convert to fraction form
    12,699.72/19,052.10 = 4,908.60/x
  3. Step 3: Cross multiply
    12,699.72x = 19,052.10 × 4,908.60
  4. Step 4: Simplify right side
    12,699.72x = 93,519,138.06
  5. Step 5: Solve for x
    x = 93,519,138.06/12,699.72
  6. Step 6: Final answer
    x = 7,363.87

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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.