Home / 18,846.39-28,274.33-13,310.58

Finding the Fourth Proportional to 18,846.39, 28,274.33 and 13,310.58

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Solution

The fourth proportional to 18,846.39, 28,274.33 and 13,310.58 is: 19,969.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,846.39 : 28,274.33 = 13,310.58 : x
  2. Step 2: Convert to fraction form
    18,846.39/28,274.33 = 13,310.58/x
  3. Step 3: Cross multiply
    18,846.39x = 28,274.33 × 13,310.58
  4. Step 4: Simplify right side
    18,846.39x = 376,347,731.41
  5. Step 5: Solve for x
    x = 376,347,731.41/18,846.39
  6. Step 6: Final answer
    x = 19,969.22

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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.