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Finding the Fourth Proportional to 12,059.62, 18,095.97 and 5,040.25

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Solution

The fourth proportional to 12,059.62, 18,095.97 and 5,040.25 is: 7,563.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,059.62 : 18,095.97 = 5,040.25 : x
  2. Step 2: Convert to fraction form
    12,059.62/18,095.97 = 5,040.25/x
  3. Step 3: Cross multiply
    12,059.62x = 18,095.97 × 5,040.25
  4. Step 4: Simplify right side
    12,059.62x = 91,208,187.59
  5. Step 5: Solve for x
    x = 91,208,187.59/12,059.62
  6. Step 6: Final answer
    x = 7,563.11

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1.5x scale

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.