Home / 12,195.66-18,293.07-5,171.15

Finding the Fourth Proportional to 12,195.66, 18,293.07 and 5,171.15

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Solution

The fourth proportional to 12,195.66, 18,293.07 and 5,171.15 is: 7,756.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195.66 : 18,293.07 = 5,171.15 : x
  2. Step 2: Convert to fraction form
    12,195.66/18,293.07 = 5,171.15/x
  3. Step 3: Cross multiply
    12,195.66x = 18,293.07 × 5,171.15
  4. Step 4: Simplify right side
    12,195.66x = 94,596,117.47
  5. Step 5: Solve for x
    x = 94,596,117.47/12,195.66
  6. Step 6: Final answer
    x = 7,756.54

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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.