Home / 12,484.38-18,724.32-5,463.03

Finding the Fourth Proportional to 12,484.38, 18,724.32 and 5,463.03

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Solution

The fourth proportional to 12,484.38, 18,724.32 and 5,463.03 is: 8,193.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484.38 : 18,724.32 = 5,463.03 : x
  2. Step 2: Convert to fraction form
    12,484.38/18,724.32 = 5,463.03/x
  3. Step 3: Cross multiply
    12,484.38x = 18,724.32 × 5,463.03
  4. Step 4: Simplify right side
    12,484.38x = 102,291,521.89
  5. Step 5: Solve for x
    x = 102,291,521.89/12,484.38
  6. Step 6: Final answer
    x = 8,193.56

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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.