Home / 12,097.13-18,145.69-3,889.13

Finding the Fourth Proportional to 12,097.13, 18,145.69 and 3,889.13

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Solution

The fourth proportional to 12,097.13, 18,145.69 and 3,889.13 is: 5,833.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097.13 : 18,145.69 = 3,889.13 : x
  2. Step 2: Convert to fraction form
    12,097.13/18,145.69 = 3,889.13/x
  3. Step 3: Cross multiply
    12,097.13x = 18,145.69 × 3,889.13
  4. Step 4: Simplify right side
    12,097.13x = 70,570,846.90
  5. Step 5: Solve for x
    x = 70,570,846.90/12,097.13
  6. Step 6: Final answer
    x = 5,833.69

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Similar ratio
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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.