Home / 12,424.45-18,632.73-4,102.92

Finding the Fourth Proportional to 12,424.45, 18,632.73 and 4,102.92

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Solution

The fourth proportional to 12,424.45, 18,632.73 and 4,102.92 is: 6,153.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,424.45 : 18,632.73 = 4,102.92 : x
  2. Step 2: Convert to fraction form
    12,424.45/18,632.73 = 4,102.92/x
  3. Step 3: Cross multiply
    12,424.45x = 18,632.73 × 4,102.92
  4. Step 4: Simplify right side
    12,424.45x = 76,448,486.89
  5. Step 5: Solve for x
    x = 76,448,486.89/12,424.45
  6. Step 6: Final answer
    x = 6,153.07

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.