Home / 12,197.67-18,291.32-3,875.46

Finding the Fourth Proportional to 12,197.67, 18,291.32 and 3,875.46

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Solution

The fourth proportional to 12,197.67, 18,291.32 and 3,875.46 is: 5,811.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197.67 : 18,291.32 = 3,875.46 : x
  2. Step 2: Convert to fraction form
    12,197.67/18,291.32 = 3,875.46/x
  3. Step 3: Cross multiply
    12,197.67x = 18,291.32 × 3,875.46
  4. Step 4: Simplify right side
    12,197.67x = 70,887,205.57
  5. Step 5: Solve for x
    x = 70,887,205.57/12,197.67
  6. Step 6: Final answer
    x = 5,811.54

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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.