Home / 18,936.39-28,404.66-5,788.71

Finding the Fourth Proportional to 18,936.39, 28,404.66 and 5,788.71

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Solution

The fourth proportional to 18,936.39, 28,404.66 and 5,788.71 is: 8,683.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,936.39 : 28,404.66 = 5,788.71 : x
  2. Step 2: Convert to fraction form
    18,936.39/28,404.66 = 5,788.71/x
  3. Step 3: Cross multiply
    18,936.39x = 28,404.66 × 5,788.71
  4. Step 4: Simplify right side
    18,936.39x = 164,426,339.39
  5. Step 5: Solve for x
    x = 164,426,339.39/18,936.39
  6. Step 6: Final answer
    x = 8,683.09

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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.