Home / 18,116.26-27,043.47-16,818.64

Finding the Fourth Proportional to 18,116.26, 27,043.47 and 16,818.64

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Solution

The fourth proportional to 18,116.26, 27,043.47 and 16,818.64 is: 25,106.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.26 : 27,043.47 = 16,818.64 : x
  2. Step 2: Convert to fraction form
    18,116.26/27,043.47 = 16,818.64/x
  3. Step 3: Cross multiply
    18,116.26x = 27,043.47 × 16,818.64
  4. Step 4: Simplify right side
    18,116.26x = 454,834,318.67
  5. Step 5: Solve for x
    x = 454,834,318.67/18,116.26
  6. Step 6: Final answer
    x = 25,106.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.