Home / 20,714.80-31,044.48-7,554.76

Finding the Fourth Proportional to 20,714.80, 31,044.48 and 7,554.76

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Solution

The fourth proportional to 20,714.80, 31,044.48 and 7,554.76 is: 11,322.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,714.80 : 31,044.48 = 7,554.76 : x
  2. Step 2: Convert to fraction form
    20,714.80/31,044.48 = 7,554.76/x
  3. Step 3: Cross multiply
    20,714.80x = 31,044.48 × 7,554.76
  4. Step 4: Simplify right side
    20,714.80x = 234,533,595.72
  5. Step 5: Solve for x
    x = 234,533,595.72/20,714.80
  6. Step 6: Final answer
    x = 11,322.03

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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.