Home / 18,454.59-27,683.96-6,767.78

Finding the Fourth Proportional to 18,454.59, 27,683.96 and 6,767.78

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Solution

The fourth proportional to 18,454.59, 27,683.96 and 6,767.78 is: 10,152.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,454.59 : 27,683.96 = 6,767.78 : x
  2. Step 2: Convert to fraction form
    18,454.59/27,683.96 = 6,767.78/x
  3. Step 3: Cross multiply
    18,454.59x = 27,683.96 × 6,767.78
  4. Step 4: Simplify right side
    18,454.59x = 187,358,778.55
  5. Step 5: Solve for x
    x = 187,358,778.55/18,454.59
  6. Step 6: Final answer
    x = 10,152.42

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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.