Home / 11,718.25-16,171.50-6,683.29

Finding the Fourth Proportional to 11,718.25, 16,171.50 and 6,683.29

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Solution

The fourth proportional to 11,718.25, 16,171.50 and 6,683.29 is: 9,223.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.25 : 16,171.50 = 6,683.29 : x
  2. Step 2: Convert to fraction form
    11,718.25/16,171.50 = 6,683.29/x
  3. Step 3: Cross multiply
    11,718.25x = 16,171.50 × 6,683.29
  4. Step 4: Simplify right side
    11,718.25x = 108,078,783.81
  5. Step 5: Solve for x
    x = 108,078,783.81/11,718.25
  6. Step 6: Final answer
    x = 9,223.12

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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.