Home / 12,193.68-18,291.24-3,873.56

Finding the Fourth Proportional to 12,193.68, 18,291.24 and 3,873.56

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Solution

The fourth proportional to 12,193.68, 18,291.24 and 3,873.56 is: 5,810.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,193.68 : 18,291.24 = 3,873.56 : x
  2. Step 2: Convert to fraction form
    12,193.68/18,291.24 = 3,873.56/x
  3. Step 3: Cross multiply
    12,193.68x = 18,291.24 × 3,873.56
  4. Step 4: Simplify right side
    12,193.68x = 70,852,215.61
  5. Step 5: Solve for x
    x = 70,852,215.61/12,193.68
  6. Step 6: Final answer
    x = 5,810.57

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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.