Home / 15,012.03-20,714.40-8,551.73

Finding the Fourth Proportional to 15,012.03, 20,714.40 and 8,551.73

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Solution

The fourth proportional to 15,012.03, 20,714.40 and 8,551.73 is: 11,800.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,012.03 : 20,714.40 = 8,551.73 : x
  2. Step 2: Convert to fraction form
    15,012.03/20,714.40 = 8,551.73/x
  3. Step 3: Cross multiply
    15,012.03x = 20,714.40 × 8,551.73
  4. Step 4: Simplify right side
    15,012.03x = 177,143,897.95
  5. Step 5: Solve for x
    x = 177,143,897.95/15,012.03
  6. Step 6: Final answer
    x = 11,800.13

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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.