Home / 15,673.83-21,638.33-12,107.26

Finding the Fourth Proportional to 15,673.83, 21,638.33 and 12,107.26

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Solution

The fourth proportional to 15,673.83, 21,638.33 and 12,107.26 is: 16,714.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,673.83 : 21,638.33 = 12,107.26 : x
  2. Step 2: Convert to fraction form
    15,673.83/21,638.33 = 12,107.26/x
  3. Step 3: Cross multiply
    15,673.83x = 21,638.33 × 12,107.26
  4. Step 4: Simplify right side
    15,673.83x = 261,980,887.28
  5. Step 5: Solve for x
    x = 261,980,887.28/15,673.83
  6. Step 6: Final answer
    x = 16,714.54

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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.