Home / 19,468.68-26,872.74-13,180.92

Finding the Fourth Proportional to 19,468.68, 26,872.74 and 13,180.92

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Solution

The fourth proportional to 19,468.68, 26,872.74 and 13,180.92 is: 18,193.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,468.68 : 26,872.74 = 13,180.92 : x
  2. Step 2: Convert to fraction form
    19,468.68/26,872.74 = 13,180.92/x
  3. Step 3: Cross multiply
    19,468.68x = 26,872.74 × 13,180.92
  4. Step 4: Simplify right side
    19,468.68x = 354,207,436.12
  5. Step 5: Solve for x
    x = 354,207,436.12/19,468.68
  6. Step 6: Final answer
    x = 18,193.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.