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Finding the Fourth Proportional to 9,821.03, 14,714.36 and 6,690.88

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Solution

The fourth proportional to 9,821.03, 14,714.36 and 6,690.88 is: 10,024.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,821.03 : 14,714.36 = 6,690.88 : x
  2. Step 2: Convert to fraction form
    9,821.03/14,714.36 = 6,690.88/x
  3. Step 3: Cross multiply
    9,821.03x = 14,714.36 × 6,690.88
  4. Step 4: Simplify right side
    9,821.03x = 98,451,910.01
  5. Step 5: Solve for x
    x = 98,451,910.01/9,821.03
  6. Step 6: Final answer
    x = 10,024.60

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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.