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Finding the Fourth Proportional to 10,321.58, 14,251.95 and 6,739.00

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Solution

The fourth proportional to 10,321.58, 14,251.95 and 6,739.00 is: 9,305.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,321.58 : 14,251.95 = 6,739.00 : x
  2. Step 2: Convert to fraction form
    10,321.58/14,251.95 = 6,739.00/x
  3. Step 3: Cross multiply
    10,321.58x = 14,251.95 × 6,739.00
  4. Step 4: Simplify right side
    10,321.58x = 96,043,855.42
  5. Step 5: Solve for x
    x = 96,043,855.42/10,321.58
  6. Step 6: Final answer
    x = 9,305.15

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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.