Home / 12,072.35-18,108.52-3,750.13

Finding the Fourth Proportional to 12,072.35, 18,108.52 and 3,750.13

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Solution

The fourth proportional to 12,072.35, 18,108.52 and 3,750.13 is: 5,625.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072.35 : 18,108.52 = 3,750.13 : x
  2. Step 2: Convert to fraction form
    12,072.35/18,108.52 = 3,750.13/x
  3. Step 3: Cross multiply
    12,072.35x = 18,108.52 × 3,750.13
  4. Step 4: Simplify right side
    12,072.35x = 67,909,213.57
  5. Step 5: Solve for x
    x = 67,909,213.57/12,072.35
  6. Step 6: Final answer
    x = 5,625.19

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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.