Home / 13,683.25-18,884.24-8,377.08

Finding the Fourth Proportional to 13,683.25, 18,884.24 and 8,377.08

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Solution

The fourth proportional to 13,683.25, 18,884.24 and 8,377.08 is: 11,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,683.25 : 18,884.24 = 8,377.08 : x
  2. Step 2: Convert to fraction form
    13,683.25/18,884.24 = 8,377.08/x
  3. Step 3: Cross multiply
    13,683.25x = 18,884.24 × 8,377.08
  4. Step 4: Simplify right side
    13,683.25x = 158,194,789.22
  5. Step 5: Solve for x
    x = 158,194,789.22/13,683.25
  6. Step 6: Final answer
    x = 11,561.20

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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.