Home / 13,052.85-18,012.68-7,387.50

Finding the Fourth Proportional to 13,052.85, 18,012.68 and 7,387.50

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Solution

The fourth proportional to 13,052.85, 18,012.68 and 7,387.50 is: 10,194.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.85 : 18,012.68 = 7,387.50 : x
  2. Step 2: Convert to fraction form
    13,052.85/18,012.68 = 7,387.50/x
  3. Step 3: Cross multiply
    13,052.85x = 18,012.68 × 7,387.50
  4. Step 4: Simplify right side
    13,052.85x = 133,068,673.50
  5. Step 5: Solve for x
    x = 133,068,673.50/13,052.85
  6. Step 6: Final answer
    x = 10,194.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.