Home / 13,683.33-18,887.93-8,650.95

Finding the Fourth Proportional to 13,683.33, 18,887.93 and 8,650.95

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Solution

The fourth proportional to 13,683.33, 18,887.93 and 8,650.95 is: 11,941.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,683.33 : 18,887.93 = 8,650.95 : x
  2. Step 2: Convert to fraction form
    13,683.33/18,887.93 = 8,650.95/x
  3. Step 3: Cross multiply
    13,683.33x = 18,887.93 × 8,650.95
  4. Step 4: Simplify right side
    13,683.33x = 163,398,611.30
  5. Step 5: Solve for x
    x = 163,398,611.30/13,683.33
  6. Step 6: Final answer
    x = 11,941.44

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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.