Home / 20,714.24-31,084.14-9,028.37

Finding the Fourth Proportional to 20,714.24, 31,084.14 and 9,028.37

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Solution

The fourth proportional to 20,714.24, 31,084.14 and 9,028.37 is: 13,548.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,714.24 : 31,084.14 = 9,028.37 : x
  2. Step 2: Convert to fraction form
    20,714.24/31,084.14 = 9,028.37/x
  3. Step 3: Cross multiply
    20,714.24x = 31,084.14 × 9,028.37
  4. Step 4: Simplify right side
    20,714.24x = 280,638,961.63
  5. Step 5: Solve for x
    x = 280,638,961.63/20,714.24
  6. Step 6: Final answer
    x = 13,548.12

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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.