Home / 12,080.14-18,125.61-4,685.18

Finding the Fourth Proportional to 12,080.14, 18,125.61 and 4,685.18

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Solution

The fourth proportional to 12,080.14, 18,125.61 and 4,685.18 is: 7,029.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,080.14 : 18,125.61 = 4,685.18 : x
  2. Step 2: Convert to fraction form
    12,080.14/18,125.61 = 4,685.18/x
  3. Step 3: Cross multiply
    12,080.14x = 18,125.61 × 4,685.18
  4. Step 4: Simplify right side
    12,080.14x = 84,921,745.46
  5. Step 5: Solve for x
    x = 84,921,745.46/12,080.14
  6. Step 6: Final answer
    x = 7,029.86

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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.