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Finding the Fourth Proportional to 10,697.40, 16,046.10 and 6,550.20

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Solution

The fourth proportional to 10,697.40, 16,046.10 and 6,550.20 is: 9,825.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,697.40 : 16,046.10 = 6,550.20 : x
  2. Step 2: Convert to fraction form
    10,697.40/16,046.10 = 6,550.20/x
  3. Step 3: Cross multiply
    10,697.40x = 16,046.10 × 6,550.20
  4. Step 4: Simplify right side
    10,697.40x = 105,105,164.22
  5. Step 5: Solve for x
    x = 105,105,164.22/10,697.40
  6. Step 6: Final answer
    x = 9,825.30

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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.