Home / 20,714.30-31,043.73-7,554.26

Finding the Fourth Proportional to 20,714.30, 31,043.73 and 7,554.26

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Solution

The fourth proportional to 20,714.30, 31,043.73 and 7,554.26 is: 11,321.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,714.30 : 31,043.73 = 7,554.26 : x
  2. Step 2: Convert to fraction form
    20,714.30/31,043.73 = 7,554.26/x
  3. Step 3: Cross multiply
    20,714.30x = 31,043.73 × 7,554.26
  4. Step 4: Simplify right side
    20,714.30x = 234,512,407.79
  5. Step 5: Solve for x
    x = 234,512,407.79/20,714.30
  6. Step 6: Final answer
    x = 11,321.28

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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.