Home / 23,137.21-34,701.43-11,279.07

Finding the Fourth Proportional to 23,137.21, 34,701.43 and 11,279.07

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Solution

The fourth proportional to 23,137.21, 34,701.43 and 11,279.07 is: 16,916.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,137.21 : 34,701.43 = 11,279.07 : x
  2. Step 2: Convert to fraction form
    23,137.21/34,701.43 = 11,279.07/x
  3. Step 3: Cross multiply
    23,137.21x = 34,701.43 × 11,279.07
  4. Step 4: Simplify right side
    23,137.21x = 391,399,684.56
  5. Step 5: Solve for x
    x = 391,399,684.56/23,137.21
  6. Step 6: Final answer
    x = 16,916.46

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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.