Home / 12,954.15-17,883.90-8,711.37

Finding the Fourth Proportional to 12,954.15, 17,883.90 and 8,711.37

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Solution

The fourth proportional to 12,954.15, 17,883.90 and 8,711.37 is: 12,026.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,954.15 : 17,883.90 = 8,711.37 : x
  2. Step 2: Convert to fraction form
    12,954.15/17,883.90 = 8,711.37/x
  3. Step 3: Cross multiply
    12,954.15x = 17,883.90 × 8,711.37
  4. Step 4: Simplify right side
    12,954.15x = 155,793,269.94
  5. Step 5: Solve for x
    x = 155,793,269.94/12,954.15
  6. Step 6: Final answer
    x = 12,026.51

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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.