Home / 12,039.84-18,054-5,110.56

Finding the Fourth Proportional to 12,039.84, 18,054 and 5,110.56

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Solution

The fourth proportional to 12,039.84, 18,054 and 5,110.56 is: 7,663.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039.84 : 18,054 = 5,110.56 : x
  2. Step 2: Convert to fraction form
    12,039.84/18,054 = 5,110.56/x
  3. Step 3: Cross multiply
    12,039.84x = 18,054 × 5,110.56
  4. Step 4: Simplify right side
    12,039.84x = 92,266,050.24
  5. Step 5: Solve for x
    x = 92,266,050.24/12,039.84
  6. Step 6: Final answer
    x = 7,663.40

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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.